—Mom, can I go out and play with my friends now?—No, honey, you can’t _____ you haven’t recovered from the knee injury.
#30180
A
until
B
before
C
as
D
unless
推荐题目
I won't give you such help_____ you beg me. It's beyond my ability.
#30778
A
until
B
unless
C
as if
D
even if
Cloning plants is straightforward cloning animals is very complicated .
#34234
A
so that
B
although
C
while
D
as if
More strict measures should be taken____more people are infected with the virus of H1N1 flu.
#34046
A
so that
B
as if
C
in case
D
even if
“Drive-ins” have large parking lots ______ customers are served in their cars by waitresses.
#32599
A
who
B
when
C
which
D
where
Why not stay at home ______ the road is so slippery after the heavy snow?
#31925
A
in case
B
as long as
C
now that
D
even if