30. They are shocked to find that in this town the traffic rules are not strictly ________.
| A．noticed | B．recommended | C．observed | D．concerned |
My throat is always by bad weather.
| A．affecting | B．effected | C．effect | D．affected |
It is ___________ that this matter hasn’t been paid attention to.
| A．attractive | B．obvious | C．cheerful | D．sensitive |
It’s still early, you ________.
| A．mustn’t hurry | B．can’t hurry |
| C．may not hurry | D．don’t have to hurry |
The number of people invited _________ fifty, but a number of them _________ absent for different reasons.
| A．were; was | B．was; was | C．was; were | D．were; were |
I have to go to work by taxi because my car at the garage
| A．will be repaired | B．is repaired | C．is being repaired | D．has been repaired |