Helen go on the trip with us, but she isn’t quite sure yet.A．shallB．mustC．may

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Helen go on the trip with us, but she isn’t quite sure yet.

A．shall

B．must

C．may

D．can

答案

解析

略

举一反三

The next generation of telescopes will reveal（显露；揭示）new parts of our universe that will seem surprising, just as the moon’s craters（坑） when observed 400 years ago．

A．could seem	B．might seem
C．should have seemed	D．must have seemed

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If the researchers are successful, they an important step in reproducing the way that humans use cognition（认识力）to interact（交流；互动）in their world．

A．make

B．would make

C．will make

D．will have made

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-- Did you visit the zoo?
--- No, we_______have visited it, but we spent too much time shopping.

A．shouldn’t

B．can’t

C．could

D．must

题型：不详难度：| 查看答案

---Could I call you by the first name? ---Yes, you_______.

A．will

B．could

C．may

D．might

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No one answered the phone. They___________ to the cinema together.

A．must go

B．may go

C．could go

D．must have gone

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