It is generally agreed that textile industry used to______greatly to the economy of our city.
A. add
B. contribute
C. lead
D. stimulate
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Fortunately, the demonstration______to be quite peaceful.
A. turned on
B. turned out
C. showed off
D. showed up
A．himselfB．teachersC．othersD．his parents
A. himself
B. teachers
C. others
D. his parents
______more time, she would certainly have done it much better.
A. Given
B. To be given
C. Giving
D. To give
The higher a rocket flies, ______air it meets.
A. the fewer
B. the little
C. the less
D. the much
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