Astheywerewalkingaround,theyno

As they were walking around, they noticed a man _______ against a tree.

A．sit

B．to sit

C．sitting

D．sat

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（2013·安徽卷)I to my cousin^’s birthday party last night, but I was not available

A．went	B．had gone
C．would go	D．would have gone

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（2013·安徽卷)It be the vocabulary that caused you the problem in the exercise because you know a lot of words.

A．may

B．couldn^’t

C．should

D．needn^’t

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— What are you doing this Saturday?
— I’m not sure, but I go to the Rolling Stones concert

A．must

B．would

C．should

D．might

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— It rained cats and dogs this morning. I’m glad we took an umbrella.
— Yeah, we would have got wet all over if we _______.

A．hadn’t

B．haven’t

C．didn’t

D．don’t

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No one _____ be more generous; he has a heart of gold.

A．could

B．must

C．dare

D．need

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