Topics: 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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Present Perfect Tense › ViewRecognize the irregular verb in the sentence: ‘She has sung in the choir.’
A. sung
B. singed
C. sing
D. sang
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Choose the correct form of the verb to complete the sentence: The sun ______ (rise) in the east.
A. rise
B. rises
C. rising
D. rose
