Historically, _______ main material for making tables has been wood, but ______ metal and stone have also been used.
A.the; / | B./; / | C.the; the | D./; the |
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Historically, _______ main material for making tables has been wood, but ______ metal and stone have also been used.
A.the; / | B./; / | C.the; the | D./; the |