单项选择题
-What's the problem,Harry? -（）
A.No problem B.I can't remember where I left my glassrs C.No trouble at all
单项选择题 -Would you like to see the menu? -（）
单项选择题 -Hello,could I speak to Don please? -（）？
单项选择题 -Well,Mary,how are you? -（）
