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Khi đặt thanh nam châm A gần một thanh kim loại B thì thấy thanh kim loại B bị đẩy ra xa.Thanh kim loại B là A: sắt B: niken C: nam châm D:
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54.1 Complete each sentence with a suitable verb. 1 Tom refused ............................... any money. 2 Jill has decided not ............................... a car. 3 The thief got into the house because I forgot ............................... the window. 4 There was a lot of traffic but we managed ............................... to the airport in time 5 I‟ve arranged ............................... tennis tomorrow afternoon. 6 One day I‟d like to learn ............................... an aeroplane. 7 I shouted to him. He pretended not ............................... me but i‟m sure he did. 8 Why hasn‟t Sue arrived yet? She promised ............................... late. 9 Our neighbour threatened ............................... the police if we didn‟t stop the noise. 10 Ann offered ............................... after our children while we were out. 11 The teacher was very strict. Nobody dared ............................... during his lessons. 54.2 Make sentences with seem and appear. 1 Is Tom worried about something? He seems ................................................................ 2 Does Ann like Jack? She appears .................................................................................. 3 Is that man looking for something? He appears ............................................................ 4 Has that car broken down? It seems .............................................................................. 5 Have they gone out? They appear.................................................................................. 54.3 Complete each sentence using what or how with one of the following verbs: do say use ride cook 1 Have you decided what ............................... for dinner this evening. 2 Can you show me ............................... the washing machine. 3 Do you know ............................... if there‟s a fire in a building. 4 You‟ll never forget ............................... a bicycle once you have learned. 5 I was really astonished. I didn‟t know ............................... 54.4 Make your own sentences. Complete each sentence with to + infinitive. 1 Not many people can afford ......................................................................................... 2 I would like to learn ..................................................................................................... 3 One day I hope ............................................................................................................. 4 I wouldn‟t dare ............................................................................................................. 5 Sometimes I tend...........................................................................................................

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