问题补充：
When you’ve finished with that book,don’t forget to put it back on the shelf,?
A. do you
B. don’t you
C. will you
D. won’t you
答案：
A. do you
B. don’t you
(答案→)C. will you
D. won’t you
解析：don’t forget to put it back on the shelf是祈使句。祈使句的反意疑问句有两种形式,如果祈使句中含有let’s,要用shall we,否则用will you。
