Question

we can reuse every milk bottle thirty times ( đổi câu bị động)

-> Every milk bottle

Answer 1

-> Every milk bottle can be recycled 30 times per bottle

Answer 2

can be reused thirty times

Answer 3

Every milk bottle can be reused (by our) thirty times

Answer 4

....can be reused thirty times

Answer 5

Every milk bottle can be recycled 30 times per bottle

Answer 6

Every milk bottle can be recycled 30 times per bottle