Not only his parents but also his brother to the Summer Palace. They haven't been back.

发布时间：2020-08-16 08:12:08


Not only his parents but also his brother      to the Summer Palace. They haven't
been back.
A. have been
B. have gone
C. has been
D. has gone

网友回答

A. have been
B. have gone
C. has been
(答案→)D. has gone
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