题目内容
_________ the flight to New York will be delayed is _________ I’m especially worried about.
| A.If; what | B.Whether; that | C.When; that | D.Whether; what |
D
考查名词性从句。句中whether引导主语从句,句首不可用if,what引导表语从句,在从句中作宾语,选D。
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