________hewillcometotheconcertisnotyetknown.A.If       ...

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問題詳情:

________hewillcometotheconcertisnotyetknown.A.If       ...

________ he will come to the concert is not yet known.

A.If                                B.Whether

C.That                              D.Which

【回答】

B 根據句子的表語可知應填表示“是否”的詞,排除C、D兩項。if不能引導主語從句。

知識點:連詞

題型:選擇題

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