问题配对：
My mom ______ cooking. I ____ reading . We ______ busy now. A. is; is; areB. is; am; areC. am; is; are
Come and have a look _______ the ants. A. onB. atC. in
Amy is playing _______ piano, but Chen Jie is playing ______ chess. A. the; theB. the; /C. / ; the
---Can you see the monkeys ? ---__________________. A. Yes, I can.B. Yes, she is.C. No, I don’t.
Apples are sweet _______ fall. A. onB. inC. at
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