The room very useful when we had visitors.
A. was proved
B. has been proved
C. has proved
D. proved
The room very useful when we had visitors.A. was provedB. has been provedC. has provedD.
答案:2 悬赏:30 手机版
解决时间 2021-01-09 23:24
- 提问者网友：聂風
- 2021-01-09 10:55
最佳答案
- 五星知识达人网友：神的生死簿
- 2020-05-27 21:31
A. was provedB. has been provedC. has proved(答案→)D. proved解析：prove=turn out 证明，结果是；可以作为系动词，后接形容词作表语，无被动形式。题目中用的一般过去时，故选D.句意：当我们有客人时，这个房子被证明是很有用的。
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- 1楼网友：躲不过心动
- 2019-02-26 13:08
我明天再问问老师，叫他解释下这个问题
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