[ Grammar ]
Carbon dioxide is produced in huge amounts when_______ are burned.
A. greenhouse gas
B. deforestation
C. power plant
D. fossil fuels
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Mixed General Quiz › ViewBoth basketball and hockey _____ first played in Canada.
a. are
b. were
c. was
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I don’t _____ play the violin, but I love playing the piano.
A. often
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Grammar › ViewYou have to make a hotel ______ reservation in advance.
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Grammar › View
My classmates ____ our teacher postpones the exam.
A. wish
B. hope