[ Grammar ]
In the late 1800’s Ellen Richards, began work in the new field of “sanity science” which was concerned with waste removal, water purification and —-.
A. to ventilate adequately
B. adequate ventilation
C. adequate ventilate
D. ventilation adequately
Select your answer:
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here Answer
“Where______(Ricardo / come) from?” “From Cuba.”
A. do Ricardo come
B. does Ricardo comes
C. does Ricardo come
D. Ricardo comes