[ Grammar ]
We should listen to the experts ______________ have dedicated their lives to studying our planet.
A. whose
B. who
C. which
D. whom

Random Topics:
Present Simple Progressiveused to, be used to, get used toModal and Auxiliary VerbsGrammar-Present Continuous-Sentence MakingSimple present/ past/ future tensePast Simple - Present Perfect-ed or -ingPrepositions and Phrasal VerbsConjunctive AdverbsSimiles, Metaphors, Personification and HyperboleOther quiz:
Grammar and Vocabulary › ViewThe businessman owes his ____ to his excellent public relations.
A. success
B. ambition
C. challenge
D. goal
Reported Speech › View
“The police are appealing for witnesses” she said.
A. She said that the Police was appealing for witnesses.
B. She said that the police appealed for witnesses.
C. She said that the police are appealing for witnesses.
