第1个回答 2016-05-01
I. 1-5 BBCCA
II. 1. hurry 2. questions 3. crowded 4. among 5. Finally
III. 1. What is, doing 2. Whatshould, do 3. should not 4. No, needn’t 5.better not
IV. 1. spreading easily among 2.keep away from / not go to 3. work on 4. all the time本回答被网友采纳