---Helooksunhappy.---Yes,buthecan’tsaywhatitis________isbotheringhim.A

发布时间:2020-08-04 23:31:01

---He looks unhappy.---Yes, but he can’t say what it is ________ is bothering him.A.asB.thatC.whatD.which

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B解析强调句型的特殊疑问式,相当于对“is bothering him”的主语进行强调然后再提问。
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