He is(in)(a)(bad)(mood). He(has)(been)(like)this(since)last month.
Light(pollution)is(harmful)(to)our eves.
I’m sorry(for)(making)(so)(much)(noise)
Many animals are(at)(risk)(of)disappearing (due)(to)pollution
Trees can (prevent)the wind(from)(blowing)the earth(away)
(Not)(only)Tom(but)(also)lucy(have)(been)(to)the Great Wall.
我们昨天去踢足球了, 而不是打篮球.(instead of)Instead of playing basketball, we went to play football yesterday.当我们离开房间时,我们应该关灯.(ought to )We ought to turn off the light when we leave the room.