Everyone needs to have at least eight hours’ sleep a night, so you shouldn’t ______ too late.

There are_________ floors in this shopping mall. KFC is on the_________ floor.

Is this your sister’s key, John？ —No, it isn’t. ______ is in the bag.

The price ________ a room in the hotel is 123 Yuan a night.[ ]

The basketball ________ I bought yesterday cost me 80 yuan.