[ Conjunctions and Preposition ]
Children should be aware at / of the environmental issues we’re facing.
A. at
B. of

Random Topics:
Present/Past/Past ParticpleOffer and SuggestionSentence CompletionArticles & PrepositionPronouns of QuantityPresent Continous TenseQuestion WordsPresent TenseSpeculation with Modal VerbsSimple and Past TensesOther quiz:
Past Tense › ViewShe (park) the car outside the mall.
A. parks
B. park
C. parked
Gerund and Infinitive › View
I’m afraid I have some homework_______ today.
a. do
b. to do
c. going
d. done
Verb Tenses and Sentence Structure › ViewComplete the sentence with the correct form of the verb: ‘I _____ a lot from my trip to the mountains.’
A. learned
B. ate
C. slept
D. danced
Grammar › View
She wishes she ____ the exam.
A. passes
B. had passed
C. will pass
D. is passing