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