— What’s your plan for your vacation?— We to Hong Kong for a visit. A. were flying B. have been C. will fly
--It is cold outside. You'd better wear warm clothes to the cold. --Ok, thanks.
Things made by hand are usually more expensive than _ produced in factories.
一 Have you finished your homework yet? -- No, not yet. I think it'll take me half an hour.
--Do you think students should be allowed to do their homework with music on? --. If so, they can't concentrate on the study.
Which of the following means “can be recycled"?