单项选择题
The lecture given by Professor Smith was really interesting.（）
A.I couldn‘t agree with you more. B.I‘m going to listen to it. C.It sounds reasonable. D.It didn‘t last too long.
单项选择题 Will you please turn down the TV?（）
单项选择题 Help yourself to the steak, Maggie? （）
单项选择题 Excuse me, does this bus go to the bookstore?（）
