题目内容
13.Justin Bieber________ famous all over the world when he was fifteen years old.( )| A. | became | B. | becomes | C. | will become | D. | is becoming |
分析 贾斯汀•比伯十五岁时就全世界闻名了
解答 答案:A
根据后半句的when he was fifteen years old,可知前半句也应该用一般过去时,become的过去式是became,故选A.
点评 本题主要考查动词时态,判断动词的时态,要通过所给的时间状语或上下文等,去判断动词的时态.
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