题目内容
11.The volunteers ________ a lot of help to the old and the young since 2010.( )| A. | offered | B. | have offered | C. | are offering | D. | will offer |
分析 自2010以来,志愿者们向老人和青年提供了大量的帮助.
解答 答案:B.考查时态.句意"自2010以来,志愿者们向老人和青年提供了大量的帮助.".A过去时.B现在完成时态.C现在进行时态.D一般将来时态.since+点时间通常用于现在完成时态,结构是have/has+动词的过去分词,主语是volunteers复数,用助动词have.offer的过去分词是offered.答案是B.
点评 考查时态,英语中时态包括一般现在时态,现在进行时态,一般过去时态,一般将来时态,现在完成时态等,好结合所给时间状语,认真分析选择正确时态.
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