一What are you going to do this weekend?一Well，we’ll clean up the city parks _______ it rains .
#38406
A
if
B
until
C
while
D
unless
推荐题目
I feel ______ because my job is too ______.
#42071
A
bored, boring
B
bored, bored
C
boring, boring
D
boring, bored
—When are you going camping?—_____today or tomorrow. We’ll be free these days.
#43149
A
Neither
B
Either
C
Both
D
Any
your English teacher you ?
#43578
A
Do , strict in
B
Does , strict with
C
Is , strict with
D
Is strict in
—Liu Qian is good at doing the tricks with the cards.—Yes, but if you watch carefully, you can see _______he does them.
#37924
A
who
B
what
C
which
D
how