一、Group A: DGFABCEGroup B: CABGFDE二、1. successful2. suck3. sudden4. suggestion5. suit6. summary7. supplies8. surprise9. surrounding10. survival11. sweep12. symbols13. system14. surface15. swift16. suffering三、1. swallow2. survived3. sympathy4. swept5. survival6. system7. surrounding8. sucking9. suspects10. suspension11. symptoms12. symbol四、1. suggestions2. survival3. suspension4. suffering5. surprise6. successful7. suitable8. surrounding五、1. of2. for3. in4. In5. to6. to7. for8. from9. in10. off六、1. would that suit you2. survived the battle 3. swallowed up the whole city4. Your studies will suffer5. all of a sudden6. took us all by surprise/surprised us all7. covers nearly three fourths of the worlds surface8. supplies consumers with natural gas and electricity9. accept our suggestion10. The symbol on the switch七、1. Suppose you had a million pounds, how would you spend it?2. Students are supposed to work hard at their lessons.3. I couldnt get any reply when I called Mom, so I supposed that shed gone out.4. It is supposed that the government should take steps to prevent pollution.5. Youre sure to succeed as long as you make a great effort to do it.6. Im sure you will benefit a lot from the activity.7. Be sure to write and tell me all your news.8. Make sure you get everything ready when you go out.9. I suggest you take your teachers advice.10. You have to take these courses if you plan to go abroad.11. If you want to take part in the painting competition, please come and sign up for it!12. Youngsters need to take more responsibility.阅读： A: ACC B: CAD