[ Grammar & Vocabulary ]
Using eco-friendly cleaning products helps protect the environment from ______ substances.
A. harmful
B. helpful
C. healthy
D. active
Random Topics:
Conditional Sentences Type 1Zero ConditionalLexico and GrammarGerunds and InfitinitivesComparative AdverbsTenses with Time ExpressionsMixed GrammarConjunctivesSimple Past - Irregular VerbsModals of ProbabilityOther quiz:
Grammar › ViewNow, the committee members … the whole material from all the attendants.
A. examined
B. examines
C. have examined
D. are examining
Punctuation › View
Which of the following does the contraction “would’ve” take the place of?
A. would of
B. would have
C. will of
D. will have