[ Subject Verb Agreement ]
Reducing our carbon footprint ________ crucial for combating climate change.
A. is
B. are

Random Topics:
Time ExpressionsPast, Present, FutureConditionals / Unreal PastPast Simple & Past PerfectPhrase and ClauseModals Posibility and ProbabilityModal Verb, Passive VoiceConjunctions and Verb TensesAdverbial Clause / If / ComparativesSimple TenseOther quiz:
Adverbs, Prefixes, and Suffixes › ViewWhich of the following is the prefix meaning “light”?
A. Chloro-
B. Penta-
C. Telo-
D. Photo-
Modal Verbs › View
“Do you need this paintbrush?” – “Ah, yes. ____ it to me, please?”
A. Do you pass
B. Will you pass
C. Are you passing
D. Are you going to pass
Modal Verbs › ViewThe answer _____ found in the textbook.
A. can be
B. could be
C. will be
D. should be
Grammar and Vocabulary › View
Robyn was ________ the bus this morning.
A. in
B. at
C. on