单项选择题
— Excuse me, would you lend me your calculator? —（）
A.Certainly. Here you are B.Please don’t mention it C.It’s nothing D.Yes, I have a hand
单项选择题 Yesterday we had （） talk.
单项选择题 —Do you think the exam will be put off? --（）
单项选择题 Joan is （） sister.
