________, you'll never be able to persuade him.
A. However hard may you try B. Try however hard you may
C. Hard as you may try D. Try hard as you may
Those old soldiers never laugh or smile and try to appear very serious ________ what they are ________ is very funny.
A. as though; making fun of
B. even if; looking on
C. even though; talking about
D. in case; laughing at
Had it not been for the fact that about 30 pupils __________ in the state of Connecticut
a fortnight ago, their parents ___________ in deep sorrow now.
A. had been killed, wouldn’t be
B. were killed, couldn’t be
C. would have been killed, mightn’t be
D. should be killed, wouldn’t be
In China when caught, those corrupt(腐败的) officials are sometimes limited to _________ in a certain place, only __________ their problems within an appointed time(规定的时间).
A. living, to report B. living, reporting
C. live, reporting D. live, to report
Each time, Billy Crystal performs his stand-up routine in front of millions of people when the show is broadcast _______ on TV.
A. alive B. living C. live D. Lively
I rushed for the door , fell _______ the cat in the hallway and a tooth fell ________.
A. over, out B. over, off
C. down, down D. down, out
