【題目】I won’t believe that five-year-old boy can read five thousand words_____I have tested him myself.

A．after B．when C．if D．until

【答案】D

【解析】

試題解析：

Not…until 為固定搭配， 意為“直到…..才”， 全句意為“直到我親自檢驗，我才相信一個五歲的男孩會念5000個單詞”。故選D

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