[ 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:
Tenses › ViewHe______ for London one year ago.
A. left
B. has left
C. leaves
D. had left
Conjunctions › View
Jayden studied hard _________ still failed his examination.
A. and
B. but
C. or
D. because
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
