题目内容
15.-When did you become a volunteer for the elderly?-Two years ago.I this group since then.( )
| A. | joined | B. | took part in | C. | have joined | D. | have been in |
分析 --你是什么时候成为老年志愿者的?
--两年前.从那时起,我就已经在这组了.
解答 答案:D.考查动词辨析.句意"--你是什么时候成为老年志愿者的?--两年前.从那时起,我就已经在这组了.". 根据语境since then从那时起,用现在完成时态.A,B不正确.C,join是终止型动词,不能用于现在完成时态,C不正确.join的延续性动作可以用be in代替.be的过去分词是been.答案是D.
点评 考查动词辨析,这里要掌握现在完成时态终止型动词和延续性动词的知识点.结合语境完成试题.
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