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
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单项选择题
Several trial efforts in the 1980s proved that it was financially ______ to restore old buildings.
A. feasible
B. probable
C. beneficiary
D. passable
单项选择题
A. His son hit him. B. He was knocked over by a coffee table. C. He fell on a toy. D. He bumped it against a piece of furniture.
A. His son hit him.
B. He was knocked over by a coffee table.
C. He fell on a toy.
D. He bumped it against a piece of furniture.
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