[ Relative Clauses and etc ]
Scientists are doing research into this rare species, __________ natural habitat is the bottom of the ocean.
A. where
B. which
C. whose
D. who
Random Topics:
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:
Conditional Sentences › ViewIf the sun __________, we will go swimming.
A. shined
B. shines
C. would shine
D. will shine
Grammar › View
‘We must walk ______ home now，‘ said Kim to his brother.
A. there
B. back
C. away
D. nearby
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