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20.Jim and his teacher __________ over there.(  )
A.is talkB.are talkC.is talkingD.are talking

分析 吉姆和他的老师正在那边谈话.

解答 答案:D.考查时态.句意"吉姆和他的老师正在那边谈话.".A不正确.B不正确.talk是动词,不能直接放在be动词后.is单数,are复数.结合语境"吉姆和他的老师"可知,主语是复数,用be动词复数are,后跟现在分词talking谈话,现在进行时态,答案是D.

点评 考查时态,英语中时态包括一般现在时态,现在进行时态,一般过去时态,一般将来时态,现在完成时态等,好结合所给时间状语,认真分析选择正确时态.

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