Answer Key CD3: NA2

17

1 researching  2 writing  3  loneliness  4 three or four   5 relationships  6 run down
7 two or three weeks  8 pyjamas  9 restaurants  10  expenses

 18

1  ninety minutes  2 twenty minutes  3 rapid-eye movement  4 in colour  5 ten minutes  6  half an hour  7 external sounds  8 stimulation

 19

1  the Park rules  2 is illegal  3  seeds and insects  4  uninhabited islands  5  fearless  6 feed
7 litter  8 souvenirs  9 your guide’s instructions