If you don"t know the word, you can _____ in the dictionary.[ ]A. look it af

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If you don"t know the word, you can _____ in the dictionary.[     ]
A. look it after
B. look it up
C. look for it
D. look at it

答案

举一反三

—How long do you _____ on your homework?
—About two hours.[ ]
A. pay
B. spend
C. take
D. cost

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句型转换。1. She took care of her mother at home last Monday. (改为同义句)
    She ____ her mother at home last Monday.
2. The teacher went home after he went over the students" homework yesterday. (改为同义句)
    The teacher ____ go home ____ he went over the students" homework yesterday.
3. Lucy will give a phone call to her friend. Lucy will get off the plane. (用as soon as合并为一句)
    Lucy will give a phone call to her friend ____.
4. It"s about half an hour on foot from school to my home. (改为同义句)
    My home is about ____  from school.
5. Tony doesn"t know which book he should choose. (改为同义句)
    Tony doesn"t know which book ____ ____.

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We will be in big trouble if we don"t ____ with any idea. [ ]
A. come to
B. come on
C. come up
D. come over

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I need a new jacket. This one doesn"t ________ the cold.[ ]
A. make out
B. hand out
C. work out
D. keep out

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You must concentrate more _____ your English.[ ]
A. to
B. in
C. on
D. at

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