Aterriblethought          Mr.Smithwhenhewasleavingforw...

問題詳情：

 A terrible thought           Mr. Smith when he was leaving for work: what if an accident happened while his son was alone at home?

A. insured                      B. freed                     C. attacked              D. struck

【回答】

D

知識點：動詞

題型：選擇題