题目内容
—Where are the boys now?
—They _______ on the playground, I think.
—They _______ on the playground, I think.
[ ]
A. play football
B. played football
C. have played football
D. are playing football
B. played football
C. have played football
D. are playing football
D
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—Oh , the two girls must _______ a game in the garden now.
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