单项选择题
— Can I help you to get it down? — ()
A.No problem B.Yes. Let’s get it C.Thanks. It’s so nice of you D.It’s no trouble at all
单项选择题 Afternoon, sir. Where to? -- ()
单项选择题 I have an appointment with Dr. Johnson. --()
单项选择题 I think the Internet is very helpful. --()