I recommended an English-Chinese dictionary, which I thought would be of great help to hi

发布时间：2020-08-16 09:14:22

I remended      an English-Chinese dictionary, which I thought would be of great help to his studies.
A. him buy
B. he bought
C. to buy
D. buying

网友回答

A. him buy
B. he bought
C. to buy
(答案→)D. buying
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