Question

The Passive 7. ____ all the exercises ____.a. is/ doingb. are/doingc. are/done8. ___ all your books ______?a. is/closingb. are/closedc. was/closed9. The houses ____ a hundred years ago.a. was buildedb. were builtc. weren't builded10. America ___ by Columbus in 1492.a. is discoveredb. was discoveredc. was discovering11. When ______ the telephonea. was/inventedb. is/inventedc. wasn'tinvented12. Where ____ the cars ___?a. was/parkingb. were/parkingc. were/parkedПомогите!!​

Answer 1

Maybe...
7.c
8.b
9.b
10.b
11.a
12.c

Answer 2

7. c. are/done
8. b. are/closed
9. b. were built
10. b. was discovered
11. a. was/invented
12. c. were/parked