After she finished her homework she went on _____ early. [ ]A. c

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After she finished her homework she went on _____ early.             [     ]
A. cleaning
B. clean
C. to clean

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举一反三

—What are we going to do on Sunday?
—How about _____? [ ]
A. to go bike riding
B. going bike to ride
C. going to bike riding
D. going bike riding

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______ morning exercises is good ______ us. [     ]
A. Doing, at
B. Doing, for
C. Do, at
D. Do, for

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词类转换根据所给词汇，填入一个正确的形式。1. Edison kept _______ out his new idea.(try)
2. Do you think the computer today is _______ inventions?(useful)
3. I saw a boy ________ on the railway tracks near the station.(play)
4. I want to learn how to run quickly and to eat _______.(health)
5. She speaks too quietly.Tell her ______ a little louder.(speak)

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I know the dictionary is ______ worth _______ in the shop.[     ]
A. very, buying
B. very, to buy
C. well, to buy
D. well, buying

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He feels like ______ a book very much.[ ]

A. printing
B. to print
C. selling
D. to sell

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