Be careful! The slightest spark could _____ the fireworks.
| A．set about | B．set off | C．set out | D．set up |
Surely many questions will ____ about Haiti’s future after the big earthquake, which has been the strongest in Haiti in the past 200 years.
| A．rise | B．arise | C．raise | D．announce |
“It is not only you but also Tom who ____,” said the teacher after knowing what had happened.
| A．are blamed | B．is blamed | C．are to blame | D．is to blame |
After school we went to the reading-room to do some reading, only to be told that it _____.
| A．was decorated | B．had decorated |
| C．had been decorating | D．was being decorated |
Jack is a great talker.It’s high time that he____something instead of just talking.
| A．will do | B．has done | C．do | D．did |
Clothing made of man-made fibers has certain advantages over _____ made of natural fibers like cotton, wool or silk.
| A．the ones | B．one | C．that | D．what |