Weworriedabout______hewasingoodh

发布时间:2020-07-11 17:06:47

We worried about ______ he was in good health













A.whether












B.if











C.that











D.what

网友回答

A解析我们担心他是否健康。介词的宾语从句只能用whether引导,不能用if。
以上问题属网友观点,不代表本站立场,仅供参考!