单项选择题

China's economic reform is aimed at separating enterprises from the government. It has been implemented for almost 20 years, but breakthroughs ______.

A．have been made yet
B．have yet to make
C．have yet to be made
D．to have yet made
<上一题 目录 下一题>
热门 试题

单项选择题
The editors said they must report to the world how Beijing has ______ pollution and improved the quality of the environment.
A．cut up
B．cut off
C．cut down
D．cut out
单项选择题
If drug abuse, prostitution, pollution, environmental decay, social inequality, and the like ______, more is required than an increased police presence or a fresh coat of paint.
A．are to eliminate
B．are eliminated
C．are to be eliminated
D．are being eliminated
相关试题