题目内容
He broke his legs while ________.
[ ]
A.riding
B.ride
C.is riding
D.rode
答案:A
提示:
提示:
|
当时间状语从句的主语和主句主语一致而从句的谓语动词是be动词时,可省略be动词。 |
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题目内容
He broke his legs while ________.
[ ]
|
当时间状语从句的主语和主句主语一致而从句的谓语动词是be动词时,可省略be动词。 |