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-- What is your mother sure of? -- . [ ] A.He will comeB.His coming C.He returns

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-- What is your mother sure of? -- . [ ] A.He will comeB.His coming C.He returns

-- What is your mother sure of?

-- ________.

[]

A.He will comeB.His comingC.He returnsD.His returns

试题答案

答案:

解析:

在该对话中,空白处需要回答前句的what,所以用名词、代词或动名词形式。这里是用了动名词的复合结构形式。