1) 54 a) practically b) practical c) practice d) practise 2) 55 a) with b) of c) at d) in 3) 56 a) can b) was able c) could d) is able 4) 57 a) make b) have made c) made d) were making 5) 58 a) aeroplane’s b) aeroplane c) aeroplanes d) aeroplanes’

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