[ Grammar ]
The oceans, ______________ cover most of the planet’s surface, are home to a vast variety of life.
A. which
B. whose
C. where
D. that
Select your answer:

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Past PassiveEd and Ing EndingsConditional and Mix Conditional SentenceCountable and UncountableSecond Type ConditionalVerb & GrammarVocabulary and PhrasesAdverbial Clause of MannerSimple Present - Negative & InterrogativeTenses & Conditional SentenceOther quiz:
Subject Verb Agreement › ViewMy parents ______ let me watch TV until I have finished my homework.
A. isn’t
B. aren’t
C. doesn’t
D. don’t
Tenses › View
I______ my key. Can you help me look for it?
A. lose
B. lost
C. had lost
D. have lost
