问题

w Hukou policy, according to someexperts, ______ to attract more high-end talents to contribute to Shanghai’sdevelopment.

A:serves
B:serving
C:to serve
D:is served

正确答案是：

同类题型

Last summer I took a course on _____poisonous gases. [ ]

What can I do ______ you—Do you have any socks ______ sale

_______why he was late, he made no answer.

sk given by the boss is ____ done, and we are to sum up our working experienceafter its accomplishment.

It is important _________.