[ 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

Random Topics:
Grammar : Structural Common ErrorsSimple Present and Present ContinuosSimple PresentGrammar and StructureRequest with Modal VerbsPrepositions and AdverbsAdjective / Noun + to InfinitiveArticle the or zero article (-)Conjunctions and PrepositionsModal PossibilitiesOther quiz:
Tenses › ViewWe ____ in the doctor’s office for two hours before they called our name.
A. Been sitting
B. Had sat
C. sitting
D. Had been sitting
Grammar and Vocabulary › View
When I saw him, he _____ working; he was watching TV.
A. didn’t
B. wasn’t
C. isn’t
Grammar › ViewChoose the correct pronoun that completes the sentence.
It was _____________ birthday party.
_
A. me
B. he
C. my
D. they
Grammar › View
Identify the fused sentence (run-on).
A. My favorite food is pizza; however, I also enjoy chocolate cake.
B. My favorite food is pizza however I also enjoy chocolate cake.
C. My favorite food is pizza. I also enjoy chocolate cake.
