---How did the accident happen? ---You know, it ________difficult to see the road clearly because it_________. 
#38358
A
was; was raining
B
is; has rained
C
is; is raining
D
will be; will rain
推荐题目
The students told us _____________last summer vacation.
#37101
A
where did they camp
B
where will they camp
C
where they camped
D
where they will camp
 I'11 go hiking with Bruce if it         tomorrow.
#36268
A
doesn't rain
B
didn't rain
C
won't rain
D
hasn't rained
— Have you _______ read this story before? — Yes. I’ve _______ read it.
#41743
A
already; ever
B
yet; just
C
ever; just
D
ever; never
China __________ the WTO and became a new member of it.
#36338
A
joined
B
join
C
will join
D
has joined