题目内容：

情景对话（每题1分，共5分）请将正确答案序号填到题号前，有两项为多余选项。

1.—I am sorry, I couldn’t find the book you want to borrow.

—________

2. —How was your visit to Lake Tai？

—______

3.—Professor Wang, I haven’t finished my paper.

—_____. You have some time left.

4.- The car looks nice. Could I have a try before I decide to buy it?

    　- _____________

5.—Would you like another piece of cake?

—___________. I’m still hungry.