Language is changing all the time. Some English words today can mean totally different things to _____ they meant before.
| A．which | B．that | C．不填 | D．what |
34. The biggest problem for most plants, which _______ just get up and run away when threatened, is that animals like to eat them.
| A．shan’t | B．can’t | C．needn’t | D．mustn’t |
33. ---How long have you been in this office?
---Just a few minutes. My cousins _______ here together with me.
| A．have walked | B．had walked | C．walked | D．have been walking |
31. ----Who are you waiting for?
---__________ the man wounded in the left leg.
| A．The doctor will operate on | B．The nurse to be looked after |
| C．The doctor to operate on | D．His brother got |
29. The government has taken some measures to solve the shortages of electricity, but it may be some time _______ the situation improves.
| A．since | B．when | C．unless | D．before |
35. ---I’m sorry I’m late. I got held up in the traffic on my way here.
---___________________.
| A．Don’t be late next time | B．You should be blamed |
| C．It doesn’t matter. I’m also late | D．Never mind. Come and sit down |