---Wow! They look so delicious!---_____.
| A．please help yourself | B．Help yours | C．Yes, they do | D．NO, they don’t |
________, 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 |