We _________ try our best to fight against pollution.
- A.should
- B.may
- C.mustn’t
- D.needn’t
正确答案及解析
正确答案
A
解析
句意：我们应该尽力与污染作斗争。
考查动词辨析。should应该；may也许；mustn’t禁止；needn’t不需要。根据“We…try our best tofight against pollution.”可知，我们应该尽力与污染作斗争。故选A。
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