题目内容
14.By the time he was 14,Mozart many pieces of music.( )A. | has composed | B. | composed | C. | had composed | D. | was composed |
分析 到他14岁的时候,莫扎特已经创作了许多的乐曲.
解答 答案:C
根据句中By the time"到…的时候"引导的时间状语从句使用了一般过去时,可知此处的主句应用过去完成时;故选C.
点评 做本题时,应掌握由By the time引导的时间状语从句的用法:即如果该从句使用一般过去时,主句用过去完成时;如果从句使用一般现在时,主句用现在完成时.
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