问题
选择题
There _____ any money in my school bag. [ ]
A. is
B. are
C. aren't
D. isn't
答案
答案：D
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There _____ any money in my school bag. [ ]
A. is
B. are
C. aren't
D. isn't
答案：D
的电能表所在的电路中，正常工作10h，消耗电能 kW·h，此时电能表数变为
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