[ 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:
Grammar and Vocabulary › ViewYou _________ be careful about your safety online.
A. should
B. shouldn’t
C. mustn’t
D. can’t
Tenses › View
I __________ there once a long time ago and _________ back since.
A. went-haven’t been
B. have gone won’t be
C. was going – am not
D. had gone was not
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