問題詳情:
—Could you tell me what it was used for?
—It was used ______ the characters on paper.
print print print printing
【回答】
C “被用來……”可用be used ... 來表達,be used for後面通常跟動名詞,be used to後跟動詞原形。故選C。
知識點:非謂語動詞
題型:選擇題