Could you do me a favor?—It depends on _______ it is.

I was angry and looking _______ him _______ an unfriendly way .

flight was quite late last night.—Yes, it was midnight __________ our planefinally got to Jinan.

policies, _______ to insure thatcompulsory education is truly free, ________ by the local government acrossChina since the start of school on September 1.

My dream is to build ________ university on the moon some day.— It sounds like _______ unusual dream. I wish you could realize it.