______ private cars are bringing us convenience, they also cause more traffic accidents and pollution.
#80233
A
While
B
As
C
If
D
Since
推荐题目
__________________all of them are strong candidates, only one will be chosen for the post.
#32901
A
Since
B
While
C
If
D
As
_____ he has been blind since birth, Joseph Chadbourne never feels different from his class-mates at school.
#30914
A
Since
B
Once
C
Unless
D
While
She had just finished her homework _____her mother asked her to practice playing the piano yesterday.
#32962
A
when
B
while
C
after
D
since
The girl began to cry_____she saw the dog.
#30990
A
instant
B
the instant
C
in no instant
D
the instant when
—I wonder whether the speaker has arrived.— ________ ，I’ll check at the reception desk.
#32400
A
Wait and see
B
Beg your pardon
C
If you’ll excuse me
D
It’s still early