16. Let039;s watch the firework.......A display B show C programme17. On

16. Let's watch the firework.......
A display B show C programme
17. On Christmas Day, we all.......gifts.
A transfer B exchange C change
18. Jim.......his homework at the moment.
A is making B is doing C does
19. John is very worried.......his son
A at B about Cof
20. Does he ......... history at school?
A teaches B teach C teaching