The bottom portion of your assignment asks you to create your own noun/verb the would fit in the sentence:
Bottom Answers:
7a: The pupils in 5b love to PLAY football (verb)
7b: The pupils of 5b put up a BANNER for Teachers Day. (noun)
8a: There has been an INCREASE in the number of Primary One pupils wearing spectacles. (verb)
8b: Jogging will INCREASE your heart rate (verb)
9a: Let's RECORD the concert for the pupils who will miss it. (verb)
9b: The blue team broke the RIBBON for the 4x100 meter relay. (noun)
This should help you out. Good Day.