Supply the correct form of the word in each bracket below

IV. Supply the correct form of the word in each bracket below. (1.0 pt)

15. The Portal 7 has a ________________ chip.                                                    (power)

16. You must get a ________________ so that you can get into a university.  (qualify)

17. I will ________________ in homework club to study math better.              (enrollment)

18. Do the cameras work ________________?                                                      (good)