[ Grammar ]
If people used cars less, the air ____ much cleaner. (to be)
A. would be
B. would have been
C. will be
D. was
Select your answer:

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Vocabulary and Grammar › View. Which word means “a certain way of expressing feelings or thoughts”?
A. specific
B. category
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Question Tag › View
Mathew and Camila work a lot , ______?
A. are they
B. aren´t they
C. don´t they
D. –
