现在完成时态 练习题(17)

21. ---What a nice bike! How lone ____ you ____ it ---Just five weeks. A. will; buy B. did; buy C. are; having D. have; had 22. I ______ this book for a week .I have to return it now. A. borrowed B. have borrowed C. kept D. have kept 23. ----______ your sister _______ in Green China for a long time ----Yes. She joined it five years ago. A.Has; been B. Have; been C. Has; joined D. Have; joined 24. ---How long have you _______ from the USA ---For three months. http://www.77cn.com.cne back B. returned C. go back D. been back