I语言知识及应用(共三节，满分60分)
第一节 单项选择（共15小题，每小题1分，满分15分）
1. She is already two hours late. What ____ _____to her?
A. can have happened B. must have happ ened
C. should have happened D. must happen
2.Peter’s jacket looked just t he same as Jack’s, but it cost _____ his.
A. as much twice as B. twice as much as
C. much as twice as D. as twice much as
3．After Yang Liwei succeeded in circling the earth, _______our astronauts desire to do is walk in space.
A. where B. how C. that D. what
4. Mrs. White found her husband ________by letters and papers and________ very worried.
A. surrounding; looked B. surrounded; looked
C. surrounding; looking D. surrounded; looking
5. Though difficult, I ________ him find a job, which made him very pleased.
A. tried to help B. managed to help
C. tried helping D. succeeded to help
