[ 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:
Sentence Structure and Pronoun Antecedent › ViewStudying grammar may help education students improve ___ skills.
A. them
B. their
C. his
D. her
Vocabulary and Grammar › View
The coach received an award for his _____ to the sport.
A. indication
B. promotion
C. sponsorship
D. contribution
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