[ Vocabulary & Grammar ]
Chemical substances which are pumped into rivers and lakes by factories are known as ____________________.
A. oil spill
B. fossil fuels
C. toxic waste
D. acid rain

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Sentence TransformationTOEIC Grammar and Vocabulary ReviewAdjective SuffixesModals of Necessity and SuggestionConditional Sentence 0, 1Conditional Sentences Type 0, 1 and 2Gerunds as Objects of PrepositionsPerfect Tenses of VerbsPoetry VocabularyCountable & Uncountable NounsOther quiz:
Grammar › ViewIf you had caught the bus, you _____ late for work.
A. wouldn’t have been
B. would have been
C. wouldn’t be
D. would be
Conjunctions › View
I will stay with you … your train leaves
A. as soon as
B. while
C. until
D. when
Future Tenses › ViewIdentify the Present Continuous tense in the following sentence: ‘They are playing football in the park.’
A. is playing
B. will play
C. were playing
D. are playing
Grammar - Countable/ Uncountable › View
I have got ………… crayons in my bag. Shall we paint the picture?
A. some
B. any
