We worried about he was in good health.A. whetherB. ifC. thatD. what

发布时间：2020-08-17 12:14:25

We worried about      he was in good health.
A. whether
B. if
C. that
D. what

网友回答

(答案→)A. whether
B. if
C. that
D. what
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！