[ 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 Tenses › ViewWhere _____ you _____ on the Tet holiday last year?
A. do/go
B. did/gone
C. did/go
D. did/went
Contrast Linking Words › View
Dan has no white hair ___________ he is old.
A. despite
B. although
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
