I think that you have made in math.
—Excuse me.Could you tell me________get to the nearest post office?—Sorry,I am new here.
Look!The department store is________the bank and the library.
—Would you mind my closing the window?—______.
—Are you going to Beijing for vacation?—Yes.want you to________me with some information about it.
Our country________the sixth population census(人口普查)already.