I was about to leave my house______ the telephone rang.
#92070
A
while
B
as
C
when
D
and
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There is no doubt _______international cooperation is the key to dealing with cyber crime.
#92525
A
then
B
that
C
wheather
D
this
How long do you think_________Obama officially takes office in the White House?
#93879
A
it will be that
B
will it be until
C
will it be when
D
it will be before
So _____ in the darkness that he didn’t dare to move an inch.
#93170
A
he was frightened
B
was he frightened
C
frightened he was
D
frightened was he
Rather than ______ on a crowded bus, he always prefers a bicycle．
#92094
A
ride; ride
B
riding; ride
C
ride; to ride
D
to ride; riding