[ Grammar ]
Oil shale is a soft, fine-grained sedimentary rock _____ oil and natural gas are obtained.
A. from
B. is from
C. is which
D. from which
Select your answer:
Random Topics:
Modal Verbs - ObligationFuture Continuous TenseDegree of ComparisonNouns, Articles, DeterminersPhrases and TensesModals for ObligationGerundSimple vs Present Continuous TensesModals, Phrasal Verbs, Gerunds and InfinitivesOther quiz:
Grammar › ViewThis restaurant is _______ that restaurant. The food is disgusting there.
A. the worst
B. badder than
C. worse than
D. worser than
Vocabulary › View
FRACTURE: They found a fracture.
A. Break
B. Small piece
C. Short coat
D. Rare jewel