You must be careful when ___ on the highway.
#67834
A
you driving
B
are driving
C
driving
D
you were driving
推荐题目
The old man has two sons，________is a soldier.
#67015
A
one of whom
B
both of them
C
all of whom
D
both of whom
We still cannot persuade him to give up smoking ____ hard we tried.
#68535
A
so
B
how
C
though
D
however
----Have you seen Mr. Black these days, Jack? ----Yes, I met him when I ________ in the street yesterday.
#41290
A
walked
B
was walking
C
have walked
D
is walking
______ team wins on Saturday will go through to the national championships.
#72241
A
No matter what
B
No matter which
C
Whatever
D
Whichever