第二部分：英语知识运用(共二节，满分45分)
第一节: 单项填空(共15小题；每小题1分，满分15分)
21. —Do you let your kids travel alone at night?
— ______ !
A. Forget it B. Go ahead C. Absolutely not D. At any time
22. －Any information about your son?
－No，if only I ______ those tough words to him．
A. didn’t say B. hadn’t said C. shouldn’t have said D. couldn’t have said
23. Last night Mr. Crook didn’t come back at the usual time. ______，he met some friends and stayed out
until midnight.
A. Meanwhile B. However C. Instead D. Thus
24. Be careful not to drop it; it's very ______.
A. fragrant B. fragile C. allergic D. aggressive
