10.??第三次作业问题16 A. One week. B. One month. C. Two weeks. D. Two months. ...

5.??第三次作业问题19 A. It takes a longer time to melt. B. It is lighter to carry. C. It is not so cold as ordinary ice. D. It is cleaner to use than ordinary ice. ...

20.??第二次作业问题16 A. One year. B. Two years. C. Thirteen years. D. Fourteen years. ...

15.??第二次作业问题10 A. Tennis shoes. B. Some clothes. C. Nothing yet. D. Music records. ...

10.??第二次作业问题5 A. She felt it was tiring. B. She felt it was very nice. C. She thought it took less time. D. She thought it was expensive. ...

5.??第二次作业问题19 A. Because pupils there have to spend most of the time studying. B. Because the school authorites insist on traditional ways of teaching. C. Because the school authorities have neglected discipline. D....

20.??第一次作业问题18 A. He was good at writing about interesting people. B. It was much easier to write stories about people. C. He believed that people are always easier to learn about other people. D. He thought people ...

15.??第一次作业问题6 A. A clerk at the airport information desk. B. A clerk at the railway station information desk. C. A policeman. D. A taxi-driver. ...

10.??第一次作业问题11 A. Washing plates. B. Clearing tables. C. Shining shoes. D. Sweeping the floor. ...

5.??第一次作业问题17 A. He thinks the city is too crowded. B. He likes the place very much. C. He thinks the streets are too narrow. D. He admires the comfortable life of the students there. ...