单项选择题
Help yourself to the steak, Maggie? （）
A.Sorry, I‘ve had enough. B.Thank you, Helen. C.Yes. But it isn‘t cooked well D.Help yourself to it, too.
单项选择题 Excuse me, does this bus go to the bookstore?（）
单项选择题 Everyone knows where the shop is, but who's the owner? （）
单项选择题 I don't think I'm late. Excuse me, what's the time? （）
