题目内容
17.-Tom,is your brother a member of the Swimming Club?-Yes.He _________ it for five years.( )
| A. | has joined | B. | has been in | C. | joined | D. | has joined in |
分析 --Tom,你的哥哥是游泳俱乐部的成员吗?
--是的.他加入俱乐部已经5年了.
解答 答案:B.
根据for five years可知,"5年"表示一段时间,此句表示表示过去发生的动作(加入俱乐部)一直持续到现在,应该用现在完成时态;现在完成时态的结构为have/has+动词的过去分词;而join是瞬间性动词,不能持续一段时间,所以要用be in为延续性动词,意为在…里面.故选B.
点评 判断动词的时态,要通过所给的时间状语、提示词或语境去判断动词存在的状态.注意容易混的动词的用法.本题注意短暂性动词和延续性动词的区别.
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