He broke his legs while ＿＿＿＿＿. A. ridingB. rideC. was ridingD. rode

发布时间：2020-08-17 12:54:29

He broke his legs while ＿＿＿＿＿.
A. riding
B. ride
C. was riding
D. rode

网友回答

(答案→)A. riding
B. ride
C. was riding
D. rode
解析：while riding＝while he was riding.
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