— How did the accident happen?— You know, it        difficult to see the road clearly because it      .
#39931
A
is…was raining
B
was…had rained
C
is…is raining
D
was…was raining
推荐题目
Ssh, please be quiet. The baby _______ .
#40226
A
sleep
B
sleeps
C
is sleepping
D
is sleeping
 I don’t know if it ____ tomorrow. If it ___, I will stay at home. 
#41644
A
will rain; rains
B
rains; will rain
C
will rain; will rain
D
rained; rains
-- Are you going to the party? -- No, because I ______.
#42738
A
have asked
B
haven’t asked
C
have been asked
D
haven’t been asked