We can buy the book______ a very good price. [ ]A. in

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We can buy the book______ a very good price.       [     ]
A. in
B. on
C. to
D. at

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举一反三

They have T-shirts ______green and black______ $ 12 at the shop.      [     ]
A. at; in
B. in; for
C. in; in
D. at; at

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I was born ______ January lst,1980.    [     ]
A. in
B. on
C. at
D. for

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______ October,we have a party.    [     ]
A. On
B. In
C. At
D. Of

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—Mom,  where is David?
—He is working _____ that difficult math problem in his room.[     ]
A. for
B. with
C. on
D. in

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按要求写句子1. These are his sisters.(改为一般疑问句,并作肯定回答)
_______ _______his sisters?
Yes,_______ _______.
2. Those are my friends.(改为否定句)
_______ ________ _________my friends.
3. Those are your photos. (改为单数句)
_______ _______your ___.
4. This is my family photo. (改为同义句)
This is_______ ________ ________my family.

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