问题补充:
You should move back and forth while basketball.
A. to play
B. playing
C. are playing
D. plays
答案:
A. to play
(答案→)B. playing
C. are playing
D. plays
解析:while 引导的是时间状语,当主句与从句的主语一致,故选答案为B
时间:2019-05-03 08:35:23
You should move back and forth while basketball.
A. to play
B. playing
C. are playing
D. plays
A. to play
(答案→)B. playing
C. are playing
D. plays
解析:while 引导的是时间状语,当主句与从句的主语一致,故选答案为B