问题标题:
IfyoubuythisbigTVset,youcangetthecamera______free.A)forB)onC)withD)from
问题描述:
IfyoubuythisbigTVset,youcangetthecamera______free.A)forB)onC)withD)from
杜天容回答:
for
固定词组:forfree意为“免费”
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