单项选择题
The new system, which should be in use by the end of this month, will replace the current one.
A.新系统在本月底以前应该启用,以取代现有的系统。
B.这个月已启用了新系统,它正逐渐取代现有的系统。
C.已经启用的新系统将从本月底开始替换现有的系统。
D.本月底已经完成全部新系统的安装和旧系统的维修。
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单项选择题
When buying a new home, the first thing you should consider is().
A.the size of the garden
B.your needs and wants
C.your job and income
D.the environment
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