The task more difficult than we expect.A. proved toB. proved usC. was provedD. proved

发布时间：2020-08-16 09:12:44

The task      more difficult than we expect.
A. proved to
B. proved us
C. was proved
D. proved

网友回答

A. proved to
B. proved us
C. was proved
(答案→)D. proved
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