[ Grammar ]
If people used cars less, the air … much cleaner.
A. would be
B. would have been
C. will be
D. was
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For vs Since › ViewThey have not met each other _______ they graduated from university.
A. since
B. for
Vocabulary › View
Which word best describes an action that is likely to upset or anger others?
A. Tactful
B. Inflammatory
C. Laudatory
D. Deferential