The sign means “ _____.”A. No parking B. No U-turn C. No left turn
---Excuse me, could you tell me _______?---Sorry, sir. I wasn't there at that time.A. how did the accident happenB. how the accident happenedC. how does the accident happen
He's read this book before, ______?A. hasn't he B. doesn't he C. isn't he
We have two houses but _______ of them lies in Quanzhou. It's impossible to live in.A. neither B. all C. none
---Don't make any noise in the library. ---_______.A .OK, I will B. Yes, I do C .Sorry, I won't
Lily told John ______ for class again next time.A. not late B. not to late C. not to be late