Cable TV began in 1948 in the USA, but it took 50 years ________ 66 percent of American households had it.
A.before B.when
C.after D.until
Picasso experimented with different styles of painting,but was most famous for his work in Cubism,________
often uses acute angles and _______the world is represented as being constructed of cubes and rectangles.
A. what; where B. which; where
C. which; which D. that; which
It was not until I was chosen monitor of the class ________ to realize the importance of teamwork.
A.did I come B.had I come.
C.when I came D.that I came
Please don't ________ these details to anyone else. Just keep them to yourself.
A.give out B.let out C.point out D.put out
Speaking in an inspection in Yunnan Province,Xi Jinping said authorities must ______ poverty removal efforts to support the building of a rich and successful country.
A.participate B.allocate
C.appreciate D.accelerate
The reason why he hasn’t come is ___________.
A.because his mother is ill B.because of his mother’s being ill
C.that his mother is ill D.for his mother is ill
