He asked a lot of questions,and none of( )was easy to answer.A;them B;them

He asked a lot of questions,and none of( )was easy to answer.A;them B;them
还有一题:He asked a lot of questions,none of( )was easy to answer。A;which B;them 木有and 选什么?
英语人气:849 ℃时间:2019-12-12 12:20:55
优质解答
填Them,指代前面的questions.且用的是宾格.
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