16. ________ their arrival in Beijing, they were warmly welcomed.

A. On　　 B. In　　　 C.　 At　　 D.　 For

答：A。on表示“当……时”。如： On hearing the news, she felt very happy.

15. _________Christmas, people usually give each other presents.

A. On　　 B. In　 C. At　　 D. With

答：C。表示“在圣诞节”用 at Christmas 或 on Chrismms Day.

14. ___________the rise in prices, life is getting harder.

A. On　　 B.　 As　　 C.　 With　　 D. For

答：C。“with+名问十介词短语”是固定句式。as为连词，应接从句。

13. Mary was disappointed when she found out they had gone to the ball _______ her.

A. except　　　　 B. except for　

C. without　　　 D. besides

答：C。without　 没有(没带她去)

12. Look! He is coming ________ our direction.

A. to　　 B. in　 C. 　　for　　 D. at

答：B。表示沿着哪个方向用in。

11. The Wangs live______ No. 50 Nanjlng Road.

A. in　　 B. at　 　　C. on　　　 D. with

答：B。表示住在哪条街(路)用on，若具体到哪条街(路)的门牌号用at。

10. They have been building the new car factory_______ the end of last year.

A.　 by　　　 B. at　　 C. in　　 D. since

答：D。通过题中谓语的时态可排除A项和B项。

9. Let’s walk over _______ the sun on the other side of the street.

A. in　　 B. to　　 C.　 under　　　 D. by

答：B。walk to走到……。此句意为“我们到街道那边有阳光的地方去。”

8. They had a party_______ Christmas Eve.

A. at　　 B. in　　 C. on　　 D. during

答：C。见第2题解析。

7. The train leaves at 6: 00 p.m. So 1 have to be at the station ________ 5:40 p. m. at the latest,

A. until　　 B. after　 C. by　　 D. around

-答：C。by 5:40　 在5:40之前