Since the 1980s, it ______ possible to listen to British and American English at the flick of a switch.
#103118
A
s
B
as been
C
ad been
D
as
推荐题目
I fixed my eyes upon the newcomer, wondering whether I ________ him somewhere before.
#99984
A
saw   
B
has seen   
C
had seen   
D
would see
I will stay at home and read some books if it ________ tomorrow. 
#101843
A
rain
B
will rain
C
rains
D
is going to rain
-- Your telephone number again? I ____ quite catch it.  -- It is 7657457.
#103114
A
didn’t
B
wouldn’t
C
don’t
D
won’t