30. Don’t        the radio. The baby is sleeping.

A.  turn off      B.  turn on       C.  turn over    D.  turn down

29. Frank        a film if he’s free next Saturday.

A.  see B.  saw            C.  has seen      D.  will see

28. The headmaster told us        at the Science Museum on time.

A.  arrive         B.  arrives        C.  to arrive     D.  arriving

27. Cars, buses and bikes        stop when the traffic light is red.

A.  can            B.  must           C.  may           D.  need

26. My cousin is very busy with his work. He has        time to read newspapers.

A.  little           B.  few            C.  a little        D.  a.few

25.Before 2008 we will finish      the Olympic Park.

A.  build          B.  built           C.  building      D.  to build

24.The air in Beijing is getting much        now than a few years ago.

A.  clean          B.  cleaner       C.  cleanest      D.  the cleanest

23.- Would you like to go to the concert with me?

-I’d love to,     I can’t.  I have a lot of homework to do.

22.-It’s 9 o’clock now. I must go.

-It’s raining outside.  Don’t leave        it stops.

A.  when          B.   since         C.  while          D.   until

21.-        is your grandpa, Emma?

- He’s watering the flowers in the garden.

A.  When         B.  What          C.  Where        D.   How