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。

—I am sorry, I couldn’t find the book you want to borrow.
—________
—How was your visit to Lake Tai？
—______
—Professor Wang, I haven’t finished my paper.
—_____. You have some time left.
- The car looks nice. Could I have a try before I decide to buy it?
　- _____________
—Would you like another piece of cake?
—___________. I’m still hungry.