(2010·天津模拟)Get out of here at once. _________ not, I’ll phone the police.
#33212
A
Since
B
If
C
Why
D
When
推荐题目
Here is a survey about hopes and dreams ______ thousands of students took part.
#30957
A
at which
B
in which
C
with which
D
about which
The American economy is still in trouble，________ the Chinese economy is beginning to pick up.
#32644
A
when
B
however
C
while
D
therefore
Sarah hopes to become a friend of _____ shares her interests.
#78582
A
anyone
B
whomever
C
whoever
D
who