练习三

Ⅰ. 1. make friends 2. day by day 3. at first 4. far away

5. at that moment 6. in a few weeks 7. worry about 8. as a result

9. smile at… 10. a couple of

Ⅱ. 1. take up 2. spends, practicing 3. At first 4. to do

5. I hope you can have a good time at the party.

Ⅲ. 1~5 FBGED

Ⅳ. 1. cut down 2. in danger 3. fresh 4. save 5. important

6. protect 7. waste 8. throw 9. plant 10. beautiful

Ⅴ. 1. It seems 2. 作者; writer

3. You should tell your parents what you need 4. BCA 5. C

练习二十一

I. 1. interesting 2. bored 3. cool 4. tiring 5. interested

II. 1~5 AABAA 6~10 BAADD

III. 1. had a good time 2. rode a camel 3. fantastic 4. a lot of

5. imagine 6. lonely 7. boring 8. travel 9. by ship

10. make up my mind 11. swimming 12. skiing 13. interesting

14. although 15. happy

IV. 1. trip 2. famous 3.with 4. when 5.excited 6.visited

7. taking 8. spent 9. but 10. asleep