學測詞彙考古題

全民英檢 | 指定科目考試 | 學科能力測驗 | 國中英語基測

參考詞彙 基本1200基本2000

Robert was the only      to the car accident. The police had to count on him to find out exactly how the accident happened.

(A) client
(B) guide
(C) witness
(D) dealer