—Can you describe _____ it happened? —Yes, I was riding on my bike _____ a car knocked me down from behind.
#33554
A
when; as
B
how; as
C
how; when
D
how; while
推荐题目
__________ attracts movie goers in the film Avatar is its vivid three-dimension effect (三维效果) , grand war scenes and touching love story.
#34283
A
That
B
What
C
Which
D
It
________ advertisements are of great help, I don’t think we should entirely rely on them.
#31478
A
Because
B
Since
C
Once
D
While
. I shall never forget the day ____ we first visited the beautiful school.
#33978
A
where
B
when
C
in which
D
which
Give yourself 10% of________is left for your work and let me have the rest.
#31043
A
which
B
that
C
what
D
where
I was about to tell him the secret __someone patted me on the shoulder.
#31672
A
as
B
until
C
while
D
when