Thequestion_______wecangetenoughc

发布时间:2020-07-11 06:13:55

The question _______ we can get enough coal for the winter has not been cleared up yet.













A.that












B.if











C.which











D.whether

网友回答

D解析本题考查同位语从句的引导词的用法。根据句has not been cleared up yet判断,此处使用whether,表示“是否”。
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