I’m hungry. I want to eat some____________.

How long does it take to get to the airport—Forty minutes. But it’s foggy today. I’m not sure the highway will closes soon. Let’s set off earlier.

Nowadays people are more concerned about the environment _______ they live.

Tom likes looking out ________ the playground __________ the classroom.

My father _____ away for two months．I want to do something special for him when he comes back next week