Mostofthetime,chimpsfeedorclea

Most of the time, chimps______ feed or clean each other as a way of showing love in their family.

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相关试题

When I was a child，I________watch TV whenever I wanted to.

A．should	B．could
C．must	D．need

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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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—Why are your eyes so red? You________have slept well last night.
—Yeah，I stayed up late writing a report.

A．can’t	B．mustn’t
C．needn’t	D．won’t

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Harry is feeling uncomfortable.He ________too much at the party last night.

A．could drink	B．should drink
C．would have drunk	D．must have drunk

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I ________ myself more－it was a perfect day.

A．shouldn’t have enjoyed

B．needn’t have enjoyed

C．wouldn’t have enjoyed

D．couldn’t have enjoyed

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