—May I ask you some questions, Dr. Wang? —_______A. You’re welcome.B. Sure, go ahead.C. No, I’m busy.
–This boy is very clever. --_____.
— Mary is ill. When shall we go to see her, tonight or tomorrow night? — ________. Either night is OK.
We are all at the news.
She dinner when there was a loud knock at the door.
His alarm clock didn’t this morning, so he was late for school.