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。
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。