— The teacher asked us A. What the bad effect of pollution are.B. What were the bad effect

发布时间:2020-08-22 05:36:13

— The teacher asked us     
A. What the bad effect of pollution are.
B. What were the bad effect of pollution.
C. What the bad effect of pollution were.

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解析::此题重点考查宾语从句的时态和语序问题,无论哪种句式结构充当宾语从句都要用陈述句语序,从句的时态要和主句的时态保持一致。因主句的谓语动词是过去式从句的谓语动词也要用相应的过去时态。
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