33. I have done much of the work. Could you please finish _____ in two days? 

66.Now colleges and universities are seeing a change in students’ lifestyle. More and more college students prefer to stay in the dormitory in their leisure time and become indoorsmen or indoorswomen. The Internet offers students many options to kill the spare time. Various on-campus services, from food delivery to laundry services, are fueling the culture of staying in dormitories. Some students argue that outdoor sports or social activities are no better than staying in the dormitory and playing on a computer. Irregular life and lack of physical exercise have become the health enemy of college students.

21. _____ several times, they need encouragement.  

49. How to keep stress proper:(1) Have a balanced life.(2) Have and have healthy food.

30. This pair of shoes_____ my brother’s. It’s too small for him. 

32. Never _____ such a splendid building, I’m shocked. 

17. My boss ordered that the legal documents______to him before lunch.

27. How much _____ she looked without her glasses!

（ ）13. Glasses help people to remedy their eyes.

36. In the writers opinion, many great men _____. 

41. What shop did the author’s father own?

25. —May I play the computer game tomorrow, Dad?—Certainly not, unless your homework _____ by then.