问题补充:
When Mr Wang was young, he in the river.
A. uses to swim
B. used to swim
C. used to swimming
D. used swim
答案:
A. uses to swim
(答案→)B. used to swim
C. used to swimming
D. used swim
解析:句意:当王先生年轻的时候,他经常在河里游泳。“过去常常做某事”是used to do。故选B。
时间:2022-06-05 08:23:37
When Mr Wang was young, he in the river.
A. uses to swim
B. used to swim
C. used to swimming
D. used swim
A. uses to swim
(答案→)B. used to swim
C. used to swimming
D. used swim
解析:句意:当王先生年轻的时候,他经常在河里游泳。“过去常常做某事”是used to do。故选B。
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