The box is big, but you can carry it because there is _____ in it.
— It’s cold here. — OK. I___________ the window.
He likes to sleep with the windows ____________.
— Are you willing to live on Mars(火星)? — ___________ It sounds exciting, but it still worries me.
Stephen lives in a ___________ flat with a big balcony. And he often chats with his friends _________ the balcony.
___________ is it from the hotel? It is about 40 minutes ___________.