单项选择题
— Can you help me? —（）
A.No, I don’t know. B.Don’t mention it. C.Sure, What is it D.That’s it
单项选择题 She is the best woman（）I have ever seen in my life.
单项选择题 They（）so that we wouldn't recognize them.
单项选择题 —Glad to see you again. How was your trip? —（）
