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SOS!Thechildrenwereplayingwiththeballhisfatherwasreadinganewspaper.AassoonasBbeforeCwhileDduring我知道C肯定正确,但D为什么错呢?在爸爸看报纸期间孩子们在玩球,也说得通呀?是有什么语法错误

题目详情
SOS!
The children were playing with the ball_______his father was reading a newspaper.
A as soon as
B before
C while
D during
我知道C肯定正确,但D为什么错呢?在爸爸看报纸期间孩子们在玩球,也说得通呀?是有什么语法错误吗?
▼优质解答
答案和解析
while 后面用进行时态
during应该是接时间,而不是句子