[ 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:
Past Simple, Present Perfect Tense › ViewA: Hi, Syerina. Welcome to the party. (Meet, you, ever) _______________________ my cousin?
B: No, I have not.
A. have you ever met
B. have you ever meet
C. had you ever met
D. do you ever meet
Homonyms › View
Those who agree, say ___.
a. aye
b. eye
c. I
The 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