[ Grammar & Vocabulary ]
When people use public transport more often, they can significantly reduce their carbon ______.
A. shadow
B. print
C. impact
D. footprint
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Grammar › View. She is the _______ student in the class.
A. smart
B. smarter
C. smartest
D. most smart
Grammar › View
The movie ____ as good as I thought it would be.
A. wasn’t
B. weren’t
C. were
D. was