题目内容

---What're the women doing? ---They ______ the dishes.

A. wash
B. is washing
C. are washing

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____ not _____ along the wall.

A. Do, run
B. Are, running
C. Is, running

---______ the girl _____ under the tree? ---Yes, she is.

Are, sitting
B. Is, sitting
C. Does, sit

Must I _____ across the river ?

A. be swimming
B. swimming
C. swim

Look, the man and his wife _____ across th street.

A. are walking
B. is walking
C. walk

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