单项选择题

"What are you busy ______ "
"I am busy ______ the plan for the sports meeting."()

A. in... to make
B. about... to make
C. in... making
D. about... making

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单项选择题
Without the help of people from every corner of the world, people in Wenchuan County, Sichuan Province ______ recovered very quickly from the May twelfth Earthquake.()

A. must not have
B. couldn’t have
C. may not have
D. can’t have
填空题
A.advance B.aircraft C.pack D.banana
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