---May I smoke here?---No, you ______. Look at the sign, it says, “No smoking!”
— ____ will your father be back? — In a week.
—How many people will come to Beijing next year? —It’s hard to say. ___________ people, I think.
—-Did you go to Peter’s birthday party last Saturday? —–No, I didn’t , though I.
.—This math problem is too difficult. Can you show me _______, Dad? —Sure.
.— _________ city! — Yes.Tourists from all over the world come to visit it every year.