9. The Sunday papers are full of _____________(advertise) for cars.

8. Vitamin C provides some __________(protect) against minor illnesses.

7. More ____________(recent), banks had offered customers the opportunity to change to PC or telephone banking.

6. It is ____________(kind) of you to say such things that made her unhappy.

5. Mother asked the little girl to hold the bird neither too ________(loose) nor too firmly.

4. As an ___________(know) author, it isn’t easy to get your work published.

3. The child’s reading ___________(able) was satisfactory for his age level.

2. Jealousy is a very ____________(power) emotion.

1. In the school play Dora gave a good ___________(perform) last weekend.

10. It is reported that there are thirty students ___________ in the classroom.

(二)根据句子意思写出括号内所给单词的恰当形式。