THROW/ THOUSANDS/ TONS/ RUBBISH/ FOREST/ EVERY YEAR//A. PEOPLE THR...

54. throw/ thousands/ tons/ rubbish/ forest/ every year//

a. People throw thousands tons of rubbish into the forest every year.

b. People are throwing thousands of tons of rubbish in the forest every year.

c. People throw thousands of tons of rubbish into the forest every year.

d. People threw thousands tons of rubbish in the forest every year.