23. Everyone should remember it is very important to _____ the balance of nature

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23. Everyone should remember it is very important to _____ the balance of nature toady.

A．get

B．make

C．keep

D．Remain

答案

解析

略

举一反三

24. The valley was _____ in sunlight, and the children were singing and jumping with joy

A．bathed

B．covered

C．swam

D．Surrounded

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25. --- We could have walked to the station. It was so near.
--- Yes. A taxi ____ at all necessary.

A．wasn’t

B．hadn’t been

C．couldn’t be

D．wouldn’t be

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26. The old woman could not _____ the terrible noise, and she had to close the door and windows.

A．bear

B．accept

C．receive

D．Hold

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27. When he heard the news, his heart ______ very fast.

A．stroke

B．beat

C．knocked

D．Jumped

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28. They ____ friends since they met in Shanghai ten years ago.

A．have become

B．have turned

C．have been

D．have grown

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