It is not easy to learn English well , but if you hang, you will succeed in the end .A. up

发布时间：2020-08-16 10:13:49

It is not easy to learn English well , but if you hang     , you will succeed in the end .
A. up
B. about
C. on
D. down

网友回答

A. up
B. about
(答案→)C. on
D. down
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