题目内容
5.Our countryhas experienced(experience)great changes in the last thirty years.分析 在过去的30年中我们国家经历了巨大的变化.
解答 答案是has experienced.本题考查语境中选用动词时态.in the last thirty years表示"在过去的30年中",是与现在相联系的段时间,与现在完成时连用,故答案是has experienced.
点评 本题是要求用所给词的适当形式填空,解题时首先考虑句中需要的词性;其次,如果是谓语动词关注时态、语态和数的变化;如果是非谓语动词要联系非谓语的基本用法判断非谓语的形式;如果是名词关注单复数.
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