Exercise 13
1. first 2. dinner 3. celebrated 4. thanksgiving 5. turkey 6. game

Exercise 14
1. dog 2. cold 3. vet 4. every 5. animal 6. go

Exercise 15
1. ink 2. north 3. bottle 4. museum 5. found 6. letter

Exercise 16
1. life 2. inventions 3. letters 4. attractive 5. television 6. food

Exercise 17
1. games 2. prices 3. pubs 4. serve S. alcoholic 6. friends

Exercise 18
1. started 2. university 3. happened 4. look 5. sister 6. twin

Exercise 19
1. painter 2. famous 3. school 4. teacher 5. galleries 6. metres

Exercise 20
1. island 2. mountain 3. climate 4. species 5. world 6. crater

Exercise 21
1. difference 2. teenagers 3. staff 4. making 5. hotel 6. visitors

Exercise 22
1. protect 2. streets 3. thieves 4. officers 5. paid 6. horses

Exercise 23
1. dinosaur 2. nobody 3. kinds 4. giant 5. earth 6. died

Exercise 24
1. friend 2. dog 3. elephants 4. rested 5. back 6. together

Exercise 25
1. learn 2. violin 3. lessons 4. music 5. hard 6. playing

Exercise 26
1. partner 2. join 3. because 4. people 5. different 6. club

Exercise 27
1. children 2. new 3. first 4. primary 5. different 6. subjects

Exercise 28
1. school 2. trip 3. see 4. tourists 5. island 6. environment

Exercise 29
1. school 2. decided 3. enjoyed 4. made 5. business 6. jam

Exercise 30
1. hotel 2. asked 3. beach 4. water 5. time 6. staying

Exercise 31
1. island 2. turtles 3. field 4. scientists 5. earth's 6. lost

Exercise 32
1. fire 2. fight 3. burning 4. restaurant 5. put 6. water