Ijustdontunderstandthatprevent

I just don't understand_____________ that prevents so many Americans from
being as happy as one might expect.

A．why it does	B．what it does
C．what it is	D．why it is

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相关试题

It was __________ back home after the experiment .

A．not until midnight did he go	B．until midnight that he didn’t go
C．not until midnight that he went	D．until midnight when he didn’t go

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She didn’t come to the party last Sunday. __________, she must have made the party more exciting.

A．If she came

B．Would she come

C．Had she come

D．Did she come

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— Are you going there with us?
— If Mary wants to go, __________.

A．I also go

B．so do I

C．so I will

D．so will I

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The teacher told us to remain silent unless _____.

A．to be asked

B．being asked

C．asked

D．you asked

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— Do you think it is going to rain over the weekend?
— __________.

A．I don’t believe

B．I don’t believe it

C．I believe not so

D．I believe not

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