I met a friend of mine _________ I was walking along the street.
#56938
A
before
B
as
C
because
D
since
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---Look! Such heavy traffic!--- I doubt _________ or not I can get to school on time.
#56179
A
if
B
when
C
whether
D
why
The camera is too expensive ________.
#56131
A
for him to buy it
B
so that he couldn’t buy it
C
so that he can’t buy
D
for him to buy
---What did you do last night? ---I didn’t play the piano, _______, I watched a film with my parents.
#57907
A
but
B
and
C
instead of
D
instead
______ exciting news it is! Our government is doing something to stop the haze(雾霾).
#55482
A
What
B
What an
C
How
D
How an
I don’t have to introduce him to you ________ you know the boy..
#57792
A
until
B
unless
C
since
D
but