Apart from an interesting-looking carved dagger, the box was full of crockery, much of it______.
A. break
B. to break
C. breaking
D. broken
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该商场销售额最低的是()。
A. 6月
B. 4月
C. 3月
D. 7月
He spends all his spare time planting trees, and by the end of this year he______2 000.
A. had planted
B. will have planted
C. will plant
D. has planted
______we get support from the trade unions, we should win the election.
A. If
B. Unless
C. As long as
D. Supposing
如果要彻底退出交换机的配置模式,输入的命令是——。
A. CtrI+C
B. end
C. no config-mode
D. exit