Whichofthefollowingsentenceismorepolite?A.Howoldareyou?...

问题详情：

Which of the following sentence is more polite?

A. How old are you?             B. My pen doesn't work. Give me yours. 

C. I have no time to help you.    D. Could you let me know your phone number?

【回答】

D

知识点：其他

题型：选择题