—Why was Professor Zhang unhappy recently？—Because the theory he insisted on wrong.A. pro

发布时间：2020-08-17 14:40:00

—Why was Professor Zhang unhappy recently？
—Because the theory he insisted on      wrong.
A. proved
B. proving
C. being proved
D. was proved

网友回答

(答案→)A. proved
B. proving
C. being proved
D. was proved
解析：he insisted on 作定语，prove联系动词
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