[ Prepositions ]
We are all aware ______ the importance of the environment protection.
A. in
B. on
C. of
D. from

Random Topics:
Present Simple QuestionsGrammar (was, were, could, could not)Modals, Conditionals, and Clauses- Defining, Non-definingModals of ProbabilitySimple, Compound, Complex SentencesModal AuxiliaryConditionals Type ISentence LabelingAuxiliary Verbs, if, unless and ModalPreposition on TimeOther quiz:
Tenses › ViewWhat is the correct form of the verb in this sentence? “We _____ (not visit) the museum since we moved here.”
A. didn’t visit
B. haven’t visited
C. weren’t visiting
D. don’t visit
Modals of Deduction › View
The door isn’t locked, and the lights are on; the office ____________ closed.
A. must
B. might not
C. can’t be
Conjunctions › ViewMy daddy works out everyday …. stay healthy
A. so that
B. for
C. in order to
Vocabulary › View
Temporarily inactive or inoperative.
A. dormant
B. arid
C. hackneyed
D. relegate
