As time went on,his theory ______ to be true.A.proved B.is provin_英语解答

As time went on,his theory ______ to be true.
A.proved
B.is proving
C.is to proved
D.was prove

人气：192 ℃　时间：2020-02-02 21:48:54

解答

选D prove的用法是 prove sth to be 所以应该是sth proved to be……
B,C都用的is 时态首先不对 went on 是一般过去时了
A用法错误