30.—I hear that you took part in a forest clean-up activity last Sunday.—Yes, it ________ by our school green club to protect forests.

二、多选题（30分）31. Perhaps he’d followed her ______ of a stroll to the river.

35.Now nearly half of its people are suffering from ______ hunger.

现代教育的发展趋势包括（ ）。

55. After the while, she couldn’t wait any longer and told me turn off the TV. 

22.—David, look at the man in white over there. Can you tell me _______?—He is a doctor.

27. —Hurry up, Jason! We‘re going to the cinema, but the clothes still need ___________.—Don’t worry. I think thirty minutes ___________enough.

20. If you _____ to the Shanghai Expo next month, I will go with you.

18.—Mark, please don’t play basketball on the road. It’s very dangerous.—_______. I am going home at once.

36.良好师生关系的建立是学生健康、和谐发展的重要保证。下列不属于影响师生关系因素中，教师方面的因素是（ ）。

10. Jane, please turn off the lights ______ you leave the classroom.

33.He did not stop until he ______ the door.