单项选择题
It is difficult ______a world record and even more difficult to ______it.
A．keeping, set
B．keep, set
C．set, keep
D．to set, keep
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单项选择题
It seems that the Hope Project ______well in Chin
A．A. is getting alongB. is being got alongC. got alongD. is getting on with
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单项选择题
The computer of the airports have helped people greatly. ______,more people travel by plane in Chin
A．A. In factB. At leastC. At one timeD. As a result
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