单项选择题
It' s required that the students （） the term paper tomorrow.
A. finished B. finish C. will finish D. may finish
单项选择题 It' s high time the government （） some measures to raise people' s awareness of environmental protection.
单项选择题 By the time you get back, I （） all the work.
单项选择题 （） the final examination is over, we can go outside for a picnic.
