they are twins, they don’t look the same at all.
--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"?