Would you like to stay ____ days in Beijing—No, thanks. I’m afraid I’ll be back tomorrow.

We should encourage the children affectedby the earthquake ______ happy to face the life in future.

I wonder why Mr Green hasn’t showed up at the meetingyet.—I’m not sure，buthe________in a traffic jam driving here.

Google launched its Body Browser, an application that allows people to _____ the human body.

There are many more advantages of buses______cars