Scientists are doing research into this rare species, __________ natural habitat is the bottom of the ocean.
A. where
B. which
C. whose
D. who
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Quantifiers and ArticlesModals of ProbabilityPresent Perfect vs Past Simple TenseAdverbs, Prefixes, and SuffixesDefinite and Indefinite ArticlesComparative and Superlative AdjectivesActive-Passive VoicesPast Simple - Present PerfectVerb Tenses and Past ParticiplesArticleOther quiz:
Idioms › ViewYou have to be on your toes if you want to beat her.
A. pay all your attention to what you are doing
B. upset her in what she is doing
C. get involved in what she is doing
D. make her comply with your orders
Tenses › View
It shows an activity that happening and will finish in the future
A. Future Continuous Tense
B. Simple Future Tense
C. Present Future Tense
D. Future Perfect Continuous Tense
Tenses › ViewJack ______ his car to work every morning.
A. drive
B. drove
C. drives
D. is driving
Tenses › View
X: I think we’re going to be here for a while.
Y: But we have been standing in line for almost an hour.
A. are standing
B. have stood
C. stand
D. were standing
E. have been standing