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
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 He left Wenzhou for Beijing last year, and we ________ him ever since.
#103175
A
hadn’t seen
B
haven’t seen
C
didn’t see
D
wouldn’t see
What do you imagine _____ him from going?
#104383
A
to prevent
B
preventing
C
to have prevented
D
prevented
 In this experiment, they are woken up several times during the night, and asked to report what they__.
#104397
A
had just been dreaming
B
are just dreaming
C
have just been dreaming
D
had just dreamt