________ is the population of Shanghai ?

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With the old man ________ the way ,we had no trouble ________ that mysterious cave .

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They can't make ________ whether to go or not .

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A．up their mind

B．out of their mind

C．up their minds

D．into their minds

Children should be ________ to respect their parents and teachers .

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A．brought up

B．brought out

C．taken up

D．taken out

There ________ so much rubbish in the park .

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A．ought not be

B．ought not have

C．ought not to be

D．ought not to have

-________ I clean the classroom now ?

-No , you ________ .You ________ clean it after school .

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A．Must ; mustn't ; must

B．Must ; needn't ; need

C．Need ; needn't ;must

D．Must ; needn't ; may

Peter ________ come with us tonight ,but he isn't very sure yet .

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In order to be in good health ,we should eat ________ food .

[　　]

He ________ a new machine last year .

[　　]

There are always boys playing ball in this street .They don't ________ the heat ,the darkness ,or the passing cars .

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