The foreigners enjoyed themselves on the Great Wall and they were all _____ with the trip.
— I think it’s going to be a problem.— Yes. I wonder _____ we can work it out.
_____ people have died of AIDS (艾滋病) since 1981.
— I think people here are friendly. Do you me?— Yes, I do.
— If my uncle next weekend, we with him.— Sounds great!
— there a number of sheep on the farm last year?— Yes.