COLLOCATIONS
1. broke a promise
2. booming economy
3. got permission
4. made a mistake
5. profound change
6. got the message
7. inverse relationship
8. lost patience
9. brand awareness
10. gradual increase
IDIOMS
1. squeaky clean
2. scratches the back
3. went ape
4. mumbo jumbo
5. nest egg
6. change of heart
7. hot potato
8. burned bridges
9. cash cows
10. blue moon
PHRASAL VERBS
1. took back
2. aimed at
3. are carrying out, carried out
4. set off
5. find out
6. handed in
7. pick on
8. put up with
9. came up
10. are looking into, looked into