[ Grammar ]
The Amazon rainforest, ______________ is considered the “lungs of the planet,” is crucial for our environment.
A. whom
B. which
C. who
D. that
Select your answer:

Random Topics:
Grammar - FragmentsPast Simple VerbsTo Infinitive or GerundPersonal PronounGrammar and Language UsageAdjectives & PrepositionsIN, ON & ATTenses - Irregular VerbsGrammar / PronounsComparative AdjectiveOther quiz:
Grammar › ViewIs Mount Everest ______ in the world?
A. the high
B. the higher
C. high
D. the highest
Vocabulary › View
So there I was, having accepted invitations to tow different parties on the same evening. What a(n) ___ to be in!
A. condolence
B. commend
C. parsimonious
D. quandary
