1 . 单句改错
1. Please ask your teachers for help if it necessary.
2. She has no friends to depend .
3. The little boy’s father passed away to leave the family much poorer.
4. Henry was about to sit down while the telephone rang.
5. There ought to have enough space for all of us.
6. On 12 April 1961, Yuri Gagarin became the first person in the world going to space.
7. They had decided to make bet which would settle their argument.
8. We were surprised finding that he had already left.
9. The boy hardly watches TV programmes, apart for nature documents.
10. They allow visitors who has never been to China to experience traditional Chinese culture first hand.

2 . See if you can understand the following. _______, you can look them up in the dictionary.

A．If any

B．If possible

C．If needed

D．If not

3 . The Winter Olympic Games took place in Beijing as s________. (时间表的安排)（根据中英文提示填空）

4 . Once ________above 100 centigrade, water can become vapour.

A．heating

B．heated

C．to heat

D．to be heated

5 . Mike Taylor discovered a brand-new species of dinosaur, while________ (conduct) research at the Natural History Museum in the UK. (所给词的适当形式填空)

6 . I didn’t feel ________ at all when ________ myself at the beginning of this school year.

A．confident, introducing	B．confidently, introducing
C．confident, introduced	D．confidently, introduced

7 . While ________ in the classroom, I was nervous about my unfinished schoolwork.

A．sat

B．I sat

C．sitting

D．was sitting