[单选题] The time has come ________ we can make extensive use of nuclear energy.

1、[单选题]We have studied English for only one year,______ we can perform English short play already.

• A、for
• B、and
• C、yet
• D、or

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2、[单选题]The residents,________ had been damaged by the flood,were given help by the Red Cross.

• A、all their homes
• B、all whose homes
• C、all of whose homes
• D、all of their homes

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3、[单选题]I met a friend of ______ yesterday.

• A、Dick’s mother
• B、Dick mother
• C、Dick mother’s
• D、Dick’s mother’s

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4、[单选题]________ men have learned much from the behavior of animals is badly new.

• A、That
• B、Those
• C、What
• D、Whether

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5、[单选题]Careful surveys have indicated that as many as 50 percent of patients do not take drugs ________ directed.

• A、like
• B、so
• C、which
• D、as

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