32．Many experiments_____before the research team was able to get the exact data

题型：不详难度：来源：

32．Many experiments_____before the research team was able to get the exact data to carry on project.

A．have done

B．had been doing

C．had been done

D．have been done

答案

解析

略

举一反三

14. Since the H1N1 flu is spreading, it’s necessary that whoever has a fever _________ to hospital as soon as possible.

A．went

B．must go

C．has gone

D．Go

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15. —When Lily fainted, we could have turned to your father for help.
—Yes, sending her to hospital _________ necessary.

A．hadn’t been

B．wasn’t

C．wouldn’t be

D．weren’t

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5. He will never _______ though every means ________ tried already.

A．lose heart; has been	B．lose heart; have been
C．lose his heart; was	D．lose his heart; had

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In the last six to nine months，teens in the US to text messaging in numbers twice that in Europe and Asia．

A．took

B．have taken

C．had taken

D．would take

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26. — Why is little Jimmy so naughty today?
— He is bored, so he _____ a little silly.

A．will be

B．is being

C．had been

D．would be

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