[ Tenses & Affixes ]
Choose the correct answer for each question.
What does “pollution” mean?
A. The act of cleaning something
B. The act of making something dirty
C. The act of fixing something
Select your answer:

Random Topics:
VerbsDependent Preposition1st ConditionalModal Auxiliaries and Similar ExpressionsDefinite & Indefinite Pronoun & ConditionalsAdverbial ClausesAdjectives, ING - EDPresent Perfect: for/sinceGrammar & TensesModals of AdviceOther quiz:
Grammar & Vocabulary › ViewLife in 1960s was difficult. In those years, people __________ use to travel by cars.
A. don’t
B. doesn’t
C. didn’t
D. hadn’t
Grammar and Vocabulary › View
With the following words and phrases: now, right now, at the moment, today, this week/month/ etc. We use ____
A. the future
B. the present continuous
C. the present simple
D. the past simple
