About 75% percent of the students can go swimming ____the rest can't.
#55632
A
while
B
and
C
so
D
or
推荐题目
This question is very difficult __________ I ask my brother for help.
#55591
A
but
B
or
C
because
D
so
--Let’s go hiking in the mountains this weekend. --______it rains.
#55574
A
If
B
Unless
C
When
D
Whether
---May I surf the Internet now? ---No,______ you have finished doing the dishes.
#57488
A
unless.
B
if.
C
because.
D
when