His mother ＿＿＿＿＿ teacher. A. becameB. has turnedC. cameD. proved

发布时间：2020-08-17 12:57:01

His mother ＿＿＿＿＿ teacher.
A. became
B. has turned
C. came
D. proved

网友回答

A. became
(答案→)B. has turned
C. came
D. proved
解析：turn作为系动词时，其后接名词，前不加不定冠词。
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