题目内容

A new study finds out that a kid can learn without ______ what he is doing.(2014, 6. B)

A. realize
B. realized
C. realizing
D. to realize

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When _______, the project will help to greatly improve the environment in the community.(2015,6. B)

A. finished
B. to finish
C. finishing
D. finish

Generally speaking, you should avoid ______ business over a meal until your host gives a signal. (2015,6. A)

A. discuss
B. discussing
C. discussed
D. to be discussed

We are expecting the goods we ordered ________ at our warehouse by the end of next month. (2015,6. A)

A. to arrive
B. arriving
C. arrive
D. arrived

_______ training and practicing for a few years, the business is growing steadily. (2014,12. A)

A. Having finished
B. To have finished
C. Have finished
D. To finish

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