It will be heavy on grammar - For extra practice, do the section in your textbook: Do You Remember 3 (pages 129-131, Focus on Modern Technology 1).
You should really, really know the passive voice. You should especially look at exercise 6 (ex. 131 in your textbook).
For even more practice, see Essential Grammar in Use:
PASSIVE VOICE: Unit 22, 23 (pp. 54-57)
SOME/ANY: Unit 76 (pp. 162-163)
MUCH/MANY: Unit 83 (pp. 176-177)
(A) LITTLE, (A) FEW: Unit 84 (pp. 178-179)
Or, if you don't have that book at home, you can do some online exercises:
ACTIVE vs. PASSIVE https://www.ego4u.com/en/cram-up/tests/hadrians-wall
MODAL VERBS: https://www.ego4u.com/en/cram-up/grammar/modal-verbs