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

Random Topics:
Adverbial Clause, Noun ClauseModals "Should"Modal Auxiliaries and Similar ExpressionsPast Continuous vs Past SimplePresent Simple Affirmative and NegativeIndefinite ArticlePast with ModalsAdverb of Frequency and Past Continuous TensePast Simple (Questions)Verbs and Subject Verb AgreementOther quiz:
Modal Verb › View. You……..eat your breakfast now before the school bus comes.
A. ought to
B. shall
C. will
Subject Verb Agreement › View
Harry and Cat _____ farting.
A. is
B. are
Past Tenses › ViewYou _ _ hard last week.
A. was working
B. were working
C. were worked
Countable & Noncountable Nouns › View
We are going to be late. There is too (…) traffic.
A. many
B. much
C. some
