[ Vocabulary & Grammar ]
Over the past 10 years, pollution ___________ on the rise in most countries of the world.
A. was
B. has been
C. has been being
D. is

Random Topics:
Future Tenses, Conditionals and ProfessionsMixed GrammarPast Narrative TensesArticles with Proper NounsConditional Sentences Type 0, 1 and 2Time Clauses of FuturePersuasive TextNouns, Articles, DeterminersGrammar - could / could notPronouns, Verb, ConjunctionOther quiz:
Gerunds › ViewHe starts _____________________________.
A. learning English
B. playing soccer
C. cookig dinner
Past Continuous › View
Ann ______ only salad at dinner yesterday evening because he went on a strict diet.
A. was eating
B. weren’t eating
C. were eating
D. wasn’t eating
Tenses › ViewAfter the earthquake yesterday, I ____ for my father to reply my message for almost an hour. It ___ me anxious the whole time.
A. had waited, made
B. waited, had made
C. was waiting, made
D. had waited, had made
E. waited, made
Tenses › View
Angkor Wat ___ by millions of tourists every year.
A. visits
B. is visited
C. visited
D. will visit
