[ Grammar ]
Smartphones, laptops and tablets are the modern devices ____ have changed the way we think.
A. what
B. that
C. who
D. whose

Random Topics:
Past SimpleRelative ClausesFuture - be going toThird ConditionalsPersuasive TextVerbal CommunicationModals Posibility and ProbabilityIF CLAUSETenses and VoiceRelative Clauses PronounsOther quiz:
Modal Verbs › ViewI didn’t feel very well yesterday. I ______ eat anything.
A. couldn’t
B. can’t
C. shouldn’t
D. mustn’t
Subordinating Conjunctions › View
What is the purpose of subordinating conjunctions in a sentence?
A. To connect two unrelated sentences
B. To separate independent clauses
C. To join dependent clauses to independent clauses
D. To emphasize the main idea of the sentence