单项选择题

The birth control measures have helped to ______ the city's population.

A．hold up
B．hold off
C．hold on
D．hold down
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单项选择题
What is the new measure to increase American border security and immigration enforcement
A．Putting the illegal immigrants to jail if they were found.
B．Having more workplace raids to catch illegal immigrants.
C．Having higher civil fines for the immigrants.
D．Not offering so many job opportunities like before.
单项选择题
According to this conversation, textbook is
A．close form compound noun.
B．hyphenated form compound noun.
C．open form compound noun.
D．not a compound noun.
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