24. We are confident that the environment ________ by our further efforts to reduce pollution.

30. We arrived at work in the morning and found that somebody________ into the office during the night.

27. If you ________ home without a word, your parents wouldn‘t be so worried now.

When will the man meet Mr. Stone this afternoon?

Conversation 29.

49. serve as ______ of the Lambert Warner Christmas Ball for the last two years;

56.通过这个项目，许多人接受了培训并开始自己创业。

Section BDirections: This section is to test your ability to understand short conversation.There are 2 recorded conversations in it.After each conversation, there are some recorded questions. Both the conversations and questions will be spoken two times.When you hear a question, you should decide on the correct answer from the 4 choices marked A, B, C and D given in your test paper. Then you should mark the corresponding letter on the Answer Sheet with a single line through the center.Conversation 16.

28. Only when he returned from the exchange program________how much he enjoyed it.

57.在加工过程中，会重新人为加入某些食物的维生素和矿物质，但却未必和原来的一样健康。

17. It is a truly delightful place, ______ looks the same as it must have done 100 years ago with its winding streets and pretty cottages.

59.考虑了所有因素之后，这个计划非常可行。