问题
Since the 1980s, with satellite TV and the Internet, it possible to listen to British and American English at the flick of a switch
A:was
B:had been
C:has been
D:was to be
B:had been
C:has been
D:was to be
正确答案是：
同类题型
ing to the World Health Organization, air pollution is ____ millions of deaths every year.
The town_________ we visited last month is the one_______ the famous painter was born .
How many are there in your classroom- There are twenty.
Kingston was late for class this morning again.— You know, _________.
two centimeters higher, _______ break the world record,” encouraged the coach.