It is no longer a question now man can land on the moon. A.that B.if C whether D what
31. It is in the year of 2010 a severe drought hits Yunnan province.
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.