This question is difficult to answer.和This question is difficult for answering哪个是对的
This question is difficult to answer.和This question is difficult for answering哪个是对的
不要用翻译机.
讲一下为什么
不要用翻译机.
讲一下为什么
英语人气:426 ℃时间:2019-08-20 08:29:07
优质解答
第一个对,:This question is difficult to answer=It is difficult to answer this question .(be difficult to do sth =have difficult in doing sth)
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