Before the policy was enacted, many factories _____ untreated waste ...

[ Tenses Usage ]

Before the policy was enacted, many factories _____ untreated waste into rivers.

A. dumps

B. dumped

C. had dumped

D. dumping

Select your answer:

Other quiz:

Tenses › View

Which tense is used: I (eat) breakfast every morning?

A. simple present tense

B. past tense

C. present continuous tense

D. future tense

Grammar › View

I could see _____________ in the store window as I walked past.

A. I

B. me

C. myself