I wondered what difficulty he had the plan?A. to carry outB. carrying outC. carried outD.

发布时间：2020-08-16 08:59:18


I wondered what difficulty he had      the plan?
A. to carry out
B. carrying out
C. carried out
D. with carrying out

网友回答

A. to carry out
(答案→)B. carrying out
C. carried out
D. with carrying out
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