[ Grammar ]
An air-conditioning system _______ a refrigerated gas like Freon to cool the air
A. Using
B. Use
C. Uses
D. Used
Select your answer:
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Grammar › ViewDave and I ________________ at the theatre yesterday evening.
A. was
B. were
Vocabulary › View
Latin root meaning say, declare
A. dict
B. graph/ gram
C. scrib/ script