8.This interesting book is written by a worker.

7.My brother speaks better English than I (My brother speaks English better than I).

6.It is difficult to answer this question.

5.I saw a good film last night.

4.I have not heard this story before.

3.That girl is wearing a new dress.

2.How many years has he lived (stayed) in Peking?

1.Our Volunteers are all brave fighters.