19. It is reported that China has created the first man-made sun in the world recently, ?

发布时间：2020-08-16 06:50:20


19. It is reported that China has created the first man-made sun in the world recently,      ?
A. isn’t it
B. is it
C. hasn’t it
D. has it

网友回答

A. isn’t it
B. is it
(答案→)C. hasn’t it
D. has it
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