Question

how long have you keep this book

-How long have you _________ this book？
-For two years．（　　）

A. borrowed

B. lent

C. kept

D. bought

Answer 1

答案：C．根据how long是提问多长时间可知，其后面的动词应用延续性动词．而borrow"借进"，lend"借出"和buy"买"是非延续性动词．在英语中，"借"的延续性动词是keep．故选C．