问题
选择题
In the United States, there is always ____ flow of people to areas of ______ country where more jobs can be found.
A．a; the
B．the ; a
C．the; the
D．a; a
答案
答案：A
一群人流，a flow of 固定搭配；特指能找到工作的那个地方，所以用定冠词。
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