问题
选择题
If we have illegal immigrants _________ in，many local workers will lose their jobs．
A．came
B．coming
C．to come
D．having come
答案
B.
此处have sb．doing sth．强调动作正在进行。
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If we have illegal immigrants _________ in，many local workers will lose their jobs．
A．came
B．coming
C．to come
D．having come
B.
此处have sb．doing sth．强调动作正在进行。