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初中英语
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单选题
1. While Xiao Ming __________ his homework, his mother came with a cup of tea.
A .
has doing
B .
had done
C .
is doing
D .
was doing
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使用过本题的试卷
牛津版(深圳·广州)初中英语八年级下册Unit 8 Life in the future语法专练:过去进行时