[ 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:
Grammar › ViewGreenleaf Press will soon publish a ___ pocket version of Manuel Santiago’s book An Insider’s Guide to travel in Argentina.
A. gathered
B. replaced
C. condensed
D. acquainted
Modal Verbs › View
You (walk) the dog on a leash.
A. have to
B. should
C. must
D. mustn’t
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