---What’s the _____ of computer?---3999 yuan.
It's so cloudy, I think it __________.
The bookshop is near here. You can go there _____ foot. You don’t need to go there _____ bike.
-- What can you see on the table? ---There are five ______and some______.
I'm looking forward ________ you at my birthday party.
September is the _________ month of a year.