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t been shut yet. It will be shut tomorrow. 2 。t been dusted yet. It will be dusted tomorrow.9 They haven39。t been watered yet. They will be watered tomorrow.7 It hasn39。t been sharpened yet. It will be sharpened tomorrow.5 They haven39。t been cleaned yet. They will be cleaned tomorrow.3 It hasn39。t.B1 Someone airs it regularly. It is aired regularly.2 Someone cleans them regularly. They are cleaned regularly.3 Someone empties it regularly. It is emptied regularly.4 Someone sharpens it regularly. It is sharpened regularly.5 Someone turns them on regularly. They are turned on regularly.6 Someone waters them regularly. They are watered regularly.7 Someone repairs it regularly. It is repaired regularly.8 Someone dusts it regularly. It is dusted regularly.9 Someone corrects them regularly. They are corrected regularly.10 Someone shuts it regularly. It is shut regularly.C1 Someone watered them. They were watered this morning.2 Someone repaired it. It was repaired this morning.3 Someone dusted it. It was dusted this morning.4 Someone corrected them. They were corrected this morning.5 Someone shut it. It was shut this morning.6 Someone bought them. They were bought this morning.7 Someone swept it. It was swept this morning.8 Someone took them to school, They were taken to school this morning.9 Someone met them at the station. They were met at the station this morning.10 Someone told them. They were told this morning.Lesson144A1 The writer lives in a very old town which is surrounded by beautiful woods.2 Because it is a famous beauty spot.3 Visitors have been asked to keep the woods clean and tidy.4 Litter baskets have been placed under the trees.5 The writer went for a walk in the woods.6 Yes, he saw a lot of rubbish.7 He saw a sign among the rubbish.8 The sign said, ‘Anyone who leaves litter in these woods will be prosecuted.’B1 Someone has aired it. It has already been aired.2 Someone has cleaned them. They have already been cleaned.3 Someone has emptied it. It has already been emptied.4 Someone has sharpened it. It has already been sharpened.5 Someone has turned them on. They have already been turned on.6 Someone has bought them. They have already been bought.7 Someone has swept it. It has already been swept.8 Someone has taken them to school. They have already been taken to school.9 Someone has invited them. They have already been invited.10 Someone has told them. They have already been told.C1 It hasn39。t.6 Mr. Turner39。ll stay at home.C1 She can live abroad if she is rich.2 He can travel round the world if he is rich.3 He can buy a new house if he is rich.4 They can have a long holiday if they are rich.5 I can enjoy myself if I am rich.6 You can offer your boss a job if you are rich.7 He can fly to Tokyo if he is rich.8 She can work less if she is rich.Lesson140A1 Yes, Graham Turner is speaking to John Smith.2 Mary invited Mr. and Mrs. Turner to dinner.3 Graham Turner said he would be there at six o39。ll enjoy myself.8 If he asks me, I39。ll type it himself.5 If they e home early, the children will play in the garden.6 If I am ill tomorrow, I won39。ll work less.4