—Mona, _______ will it take to fly to Guangzhou? —Sorry, I don’t know.
Liu Yu said that he was serious ________ being a professional runner and his parents had nothing ________ his running.
These old coins were made of________ and they were used in ancient China.
---Is this pink hair band ________? ---No, it’s not mine. It belongs to________.
I had _____awful dream last night because I watched_____ scary movie before going to bed.
She found _________ to communicate with the foreigners in English.