Some students from Grade 9 ____ do some ____ for the old.
A.volunteered to; clean | B.volunteered; cleaning |
C.volunteered to; cleaning | D.volunteered; clean |
You must notice ____ the emergency exit is when you enter the building.
A.which | B.where |
C.what | D.in which |
Oh, I'm not feeling well in the stomach.I ____ so much fried chicken just now.
A.shouldn't eat | B.mustn't have eaten |
C.mustn't eat | D.shouldn't have eaten |
Changing the design of a new product may ____ the risk of its production in the market.
A.bring about | B.come about |
C.bring up | D.come up |
Why don't you ____ it to his attention that you are too busy to go on working?
A.pay | B.fix |
C.bring | D.draw |
No sooner ____ down on bed ____the telephone rang.
A.had he lain, than | B.had he lied, when |
C.did he lie, than | D.had he laid, before |