() 4. Ben is a foreign teacher. So far,he in our school for five years.

   A. was teaching   B. has taught

   C. will teach   D. taught

() 3. is very important endangered animals.

   A. This;to save

   B. That;saving

   C. It;to save

   D. It;saved

() 2. She had a stomachache she ate something bad.

   A. so   B. because

   C. or   D. although

I.单项选择

() 1. —The house price has been rising in the past two years.

一Yes,I cannot a small apart ment even with my parents^，help.

   A. want   B. afford

   C. solve   D. deal

III.从方框中选出合适的短语，并用其适当形式填空

pay for,turn off,be harmful to,cut off,so far,take part in

1. Don’t forget to the lights when you leave the room.

2. We have learned twelve units .

3. How much did you your books yesterday?

4. Have you ever an environ mental project?

5. He had his finger in an acci dent at work.

6. Junk food human's health.

5. The government developed laws (stop) the sale of shark fins.

3. It is difficult for disabled people (use) public transportation.

2. We (learn) more than 1 ,000 words so far.

II.用括号中所给词的适当形式填空

1. If it (rain) tomorrow,we will stay at home and watch TV.

5. About 70 million sharks are traded in this

i every year.