七年的How many rooms are there ______each floor 是填in 还是on

七年的How many rooms are there ______each floor 是填in 还是on how many rooms are there in your How many rooms are there in it? How many rooms are there in your house /apartment? How many rooms are there in your room? rooms how your many in are there house new ) How many rooms are there in it?怎么翻译 How many ____ (read ) rooms are there in this building oranges are there in the basket?是填How many还是How mwch~ How many reading rooms are there in the building的意思 How many flats are there on your floor什么意思 How many flats are there on your floor?怎么回答