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They shouldthese rules at the airport...[六年级][英语]
收录时间:2021-12-21    答题:六年级英语(董老师)

【题目】They should        these rules at the airport.(  )

A. to obey

B. obey

C. obeyed

D. obeys

【答案】B

【解析】

句意:他们应该在机场……这些规定。 should后面接动词原形,A遵守,动词不定式,B遵守,动词原形,C遵守,过去式,D遵守,单三形式,故选B.