题目内容
Jack won first prize in the race__________his hard training.
A. because B. because of C. so that D. as
B 【解析】句意:杰克由于刻苦训练而赢得了比赛的一等奖。A. because因为,后接句子,引导原因状语从句;B. because of因为,后接,名词、代词或名词性短语;C. so that以便、为了…,后接句子,引导目的状语从句;D. as由于,连词,后接句子。句中的his hard training为名词性短语,故答案选B。
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