If we ……… littering, the environment will be polluted. ...

[ Grammar ]

If we ……… littering, the environment will be polluted.

A. turn off

B. go on

C. go to

D. turn on

Select your answer:
A B C D E

Random Topics:

Conditionals (0 - 1 - 2)Modal Verb, Passive Voice Comparisons Simple and Continuous Present Tense Modals and Active and Passive Voice Articles and Nouns Time Expressions Sentence and Fragment Comperative and Superlative Personal pronouns + possessive adjectives + Introgative pronouns

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