—Themooncakeisreallydelicious.CanIhaveanotherpiece?—

问题详情：

 —The mooncake is really delicious. Can I have another piece?

—_______                                      

A. You can.                                                     B. Behave yourself.

C. Be my guest!                                               D. That’s all right.

【回答】

【解析】选C。Be my guest=Help yourself请便，随便。B项“规矩些”，D项用于回答致谢或道歉。

知识点：交际用语

题型：选择题