——When did it begin to snow?
——It started ________the night.
| A．during | B．by | C．in | D．at |
34. We are living in an age ____________ we treasure very much, because it sees man’s rapid development.
| A．which | B．when | C．where | D．What |
33. With April 18’s railway speedup, highway and air transport will have to compete with __________ service for passengers.
| A．good | B．better | C．best | D．the best |
32.An air France jet is reported________in the Atlantic Ocean with 228 people aboard，the airline’s worst disaster in its 75-year history．
| A．to have crashed | B．to have been crashed |
| C．having crashed | D．having been crashed |
31. A wonderful idea suddenly occurred to me _______ I would turn to the reference book to finish my homework
| A．that | B．if | C．when | D．Which |
30. “It is not only you but also Tom who _________,” said the teacher after knowing what had
happened.
| A．are to be blamed | B．is to be blamed | C．are to blame | D．is to blame |