If you are a little careful, I think you can _____the problem.
— ____ 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.