[单选题] I told Sally how to get here,but perhaps I________for her.

1、[单选题]Scientists say it may be five or ten years___________ it is possible to test this medicine on human patients.

• A、since
• B、before
• C、after
• D、when

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2、[单选题]The rescue team made every __________ to find the missing mountain climber.

• A、force
• B、energy
• C、effort
• D、possibility

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3、[单选题]Our new house is very___________ for me as I can get to the office in five minutes

• A、convenient
• B、comfortable
• C、natural
• D、helpful

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4、[单选题]We had ___________ wonderful time_________the party_______ other day.

• A、a,on,the
• B、/,at,on
• C、a,at,the
• D、/,on,/

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5、[单选题]It's said that __________ is going to give us a lecture.

• A、an American famous young
• B、a famous American youg
• C、a famous young American
• D、a young famous American

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