【題目】To ______________something is to produce or design it that has not existed before.
A.invent
B.discover
C.Find

【答案】A
【解析】句意:發(fā)明一種東西是生產(chǎn)或設(shè)計(jì)以前不存在東西。A.Invent發(fā)明;B. discover 發(fā)現(xiàn) ; C. Find發(fā)現(xiàn)。根據(jù)題意可知,是發(fā)明invent故選A。

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