He was a stranger in this town, so the local people didn’t know _______.A.how could they make friends with himB.how they could make friends with himC.how can they make friends with himD.how they can make friends with him
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B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。