—Final exams are forcing many students to bum the midnight oil. —That's true,but          late has a bad effect on their health.
#54986
A
making up
B
using up
C
looking up
D
staying up
推荐题目
As we all know ,Columbus          America and Edison         light bulbs.
#53582
A
discovered ; invented
B
invented ; discovered
C
discovered ; discovered
D
invented ; invented
---Where ________ you _________?     ---I went to see the football match.
#53870
A
have; been
B
have; gone
C
are; going
D
will; go
No children   to watch this kind of movie because it is too scary.
#53000
A
should allow
B
should be allowed
C
shouldn't be allowed
D
don't allow