[ Grammar ]
If we ……… littering, the environment will be polluted.
A. turn off
B. go on
C. go to
D. turn on

Random Topics:
Conditionals (0 - 1 - 2)Modal Verb, Passive VoiceComparisonsSimple and Continuous Present TenseModals and Active and Passive VoiceArticles and NounsTime ExpressionsSentence and FragmentComperative and SuperlativePersonal pronouns + possessive adjectives + Introgative pronounsOther quiz:
Tenses › ViewShota _____ his homework since.
A. had finished
B. finish
C. will finish
D. have finishing
Conditional Sentence › View
“Did he study yesterday?” “No, but if he _______, he would have done better on today’s test.”
A. had
B. has
C. will study
D. had studied
Tenses › ViewWhich one is NOT a type of Present Tense?
A. Simple Present
B. Present Continuous
C. Present Perfect
D. Future Perfect
Mixed General Quiz › View
A person who acts is an act___.
a. er
b. or
c. ar