What is Mr. Stone doing now?

48. Any worn clothing or ______ will produce bacteria used bath towel

Why did David quit his job?

What is the probable relationship between the speakers?

4.

（ ）12. He is going to visit some cities on his trip.

50. Try to eat light and avoid greasy,______ and salty food because it adds toxins to the body.

（ ）13. The products of company are sold only at home.

（ ）12. The company was set up 15 years ago.

26. Being unique should be encouraged because that’s ______ makes our society a society. 

35. Learning a language is about_____,so in order to grasp a language,it‘s wise to study on a daily basis.

66. China will develop its economy further and open itself wider to the outside world, which offers more business opportunities to overseas enterprises. Since China‘s reform and opening up, Chinese enterprises have been cooperating with overseas enterprises in terms of the economy and technology, and have scored great achievement. Overseas enterprises have not only helped Chinese enterprises with their growth, but also benefited from the cooperation. The Chinese government will continue to offer favorable policies and conditions to promote the further cooperation between Chinese and overseas enterprises.