题目内容
【题目】—I don’t know ______. —What’s wrong?
A.what should I do B.what's wrong C.what to do D.how to do
【答案】C
【解析】所填之处是一个宾语从句,需要用陈述语序,排除A;由下句What’s wrong?排除B,防止重复;如果是D的话,应该是how to do it,其中it不可省略。通过排除可知选C。
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【4】He was so tired that he _______soon.
【5】_______, we didn't know how to communicate with each other.