[ Preposition ]
He is aware ___ the risks.
A. of
B. on
C. at
D. for

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Relative Clauses & Real ConditionalsVerbs and TensesPast and Past ContinuousGrammar ElementaryPre-intermediateModal Verbs of Certainty and PossibilityHave GotNo Excuse Words / Conjunction SOPast Tense & Past Continuous TenseAdjective ClausesOther quiz:
Compound And Possive › ViewOur family tradition calls for all _________________ to bake a pie at Thanksgiving.
A. Mother-in- laws
B. Mothers-in-law
Modals › View
This exercise is really difficult. _____ me, please?
A. May you help
B. Could you help
C. Can I help