. Early to bed and early to rise ______ a man healthy, happy and wise.A．makingB．

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. Early to bed and early to rise ______ a man healthy, happy and wise.

A．making

B．to make

C．make

D．Makes

答案

解析

略

举一反三

. Mathematics ______ the language of science.

A．is

B．has been

C．are

D．have been

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. None of them ______ my friends.

A．is

B．are

C．was

D．has been

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. Getting to other planets or to the moon _____ many problems.

A．involve

B．involves

C．involving

D．to involve

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. In that country, the rich ______ richer, the poor, poorer.

A．become

B． has become

C．becomes

D．is becoming

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. Not one in one hundred children exposed to the disease ______ likely to develop it.

A．should be

B．must be

C．is

D．are

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