[ Grammar and Vocabulary ]
We are facing severe environmental pollution despite the fact that many world organizations are working hard to reduce it.
A. heavy
B. destructive
C. harmful
D. serious

Random Topics:
Sentence Structure and PunctuationPrepositions after Verbs and AdjectiveComparatives - SuperlativesModals in the PastConditionals 1,2,3If Conditional Zero and OneGrammar: Simple Past and Past ContinuousAsking & Giving AttentionGerundsNoun Clauses with THATOther quiz:
Future Forms › ViewI’m so sorry to hear that. I __________ (find) out what the problem is right now.
A. find
B. ‘m finding
C. ‘m going to find
D. ‘ll find
Grammar › View
If I __________ (to have) a million dollars, I would travel the world.
A. have
B. having
C. had
D. will have
Modal Verbs › ViewShe __________ help them anymore. They are now old enough to handle things without her assistance.
A. shouldn’t have
B. didn’t have to
C. couldn’t have
D. must have
Vocabulary › View
to overcome by superior force, crush; to affect so deeply as to make helpless.
A. overwhelm
B. flexible
