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1、[单选题]I _______ an old schoolmate of mine in the street.
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A.ran for
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B.ran into
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C.ran out
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D.ran down
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2、[单选题]She _________ China before she _________ last October.
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A.has not visited;comes
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B.did not visit;came
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C.does not visit;comes
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D.had not visited;came
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3、[单选题]I took _______ for granted that he would believe in us.
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A.that
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B.the thing
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C.it
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D.this
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4、[单选题]As we approached the work site,we saw the workers ____the new house.
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A.building
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B.build
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C.built
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D.to build
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5、[单选题]When I returned home,I found the window open and something ________.
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A.to steal
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B.stealing
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C.stolen
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D.steal
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6、[单选题]Professor White has written some short stories,but he is ___ known for his plays.
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A.the best
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B.more
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C.better
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D.the most
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7、[单选题]Americans eat ________ as they actually need every day.
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A.twice as much protein
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B.protein twice as much
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C.twice protein as much
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D.protein as twice much
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8、[单选题]The guard at the gate insisted that everybody ___________the rules.
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A.obeys
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B.obey
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C.will obey
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D.would obey
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9、[单选题]I gave John a present but he gave me nothing _____.
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A.in return
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B.in turn
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C.in advance
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D.in vain
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10、[单选题]What the doctors really doubt is ______ my mother will recover from the serious disease soon.
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A.when
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B.how
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C.whether
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D.what
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11、[单选题]How long ______ to finish your composition?
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A.will it take you
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B.will take you
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C.you will take it
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D.you will take
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12、[单选题]Mrs.Jones,accompanied by her two daughters,______.
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A.have arrived
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B.are arriving
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C.had arrived
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D.has arrived
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13、[单选题]Information has been put forward ______ more middle school graduates will be admitted into universities.
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A.while
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B.that
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C.when
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D.as
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14、[单选题]This new instrument is far superior _____ the old one we bought three years ago.
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15、[单选题]Hurry up!Janet ______ for us at the bus stop.
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A.must wait
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B.must be waiting
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C.can be waited
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D.must have waited
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