题目内容
( ) 10. When he came in,I my sister cooking.
A. was helping;with
B. helped;with
C. helped;at
D. was helping;at
A
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( ) 10. When he came in,I my sister cooking.
A. was helping;with
B. helped;with
C. helped;at
D. was helping;at
A
世纪百通期末金卷系列答案