单项选择题
A.from B.with C.than D.to
It is not always easy to tell the right（）the wrong.A.fr...
单项选择题It is not always easy to tell the right（）the wrong.
It is high time we（）something to stop road accidents.A....
单项选择题It is high time we（）something to stop road accidents.
A.did B.are doing C.will do D.do
It is high time that we（）working to take a break.A.shou...
单项选择题It is high time that we（）working to take a break.
A.should stop B.would stop C.stopped D.stop
