Could you tell me ____?A.what to do it B.how to do it C.how to do D.when to do

问题描述:

Could you tell me ____?A.what to do it B.how to do it C.how to do D.when to do
为什么不选最后一个呢

Could you tell me ____?正确答案:B分析:(1)A.答案,错在 多了 it,因为:do 虽然需要宾语但是前面已经有what了, 疑问代词 “what ” 已经是do 的宾语,it在这里是多余的.(2)C答案,错在 少了it,...