—Look! There is a little dog ______ on the second floor. —Oh, that's mine.[ ]A. sleeps B. to sl
[ ]
题目简介
—Look! There is a little dog ______ on the second floor. —Oh, that's mine.[ ]A. sleeps B. to sl
题目详情
—Oh, that's mine.
[ ]
B. to sleep
C. sleeping
D. sleep
答案