Would it ______ for the city authorities to further restrict parking?
30.Mr. Li arrived at the Wuguang train station twenty minutes ago, but the train to Guangzhou________yet.
29. To pass the driving test, Alice had a busy month______driving the car.
28.How can they expect to learn anything________they never listen?
27.Only when_______senior high school________to show a great interest in poems.
26.— Why are you still here? Everybody has gone to attend the lecture by the president. — Oh, I__________about it!