[ Comparisons ]
Ozone depletion has been_________at the poles, especially over Antarctica, where a seasonal ozone layer “hole” appears.
A. as much severe as
B. so many severe as
C. far more severe than
D. by far the most severe

Random Topics:
Past Simple TensesSimple Past Irregular & NegativeTenses of Verbs - UsageDefinite pronouns (Subject, Object, Reflexive)Question TagFuture Continuous, Future Perfect and Future Perfect ContinuousComparatives - SuperlativesModals of Obligation & ProhibitionIf ConditionalsInversions and SubjunctiveOther quiz:
Adverbs of Manner › ViewI am allergic to egg, so …
A. I always eat it.
B. I sometimes eat it.
C. I often eat it.
D. I never eat it.
Grammar › View
They _____ a movie at the cinema tonight.
A. is watching
B. are watching
C. am watching
Grammar › ViewWhich of the following is correct?
A. This, Brunhilda, is not your best effort.
B. This Brunhilda, is not your best effort.
C. This Brunhilda is not your best, effort.
D. This, Brunhilda is not your best effort.
Modals of Prediction › View
I am a vegetarian. I __________ eat that steak.
A. may not
B. definitely won’t
C. probably won’t
