题目内容
18．Chinese government _____Japanese in many ways since the earthquake happened．（ ）| A． | has helped | B． | helps | C． | will help | D． | helped |
分析 自从地震发生以来，中国政府在许多方面帮助了日本人．
解答 答案：A
根据since the earthquake happened，可知应该用现在完成时态．since the earthquake happened是现在完成时的标志词．现在完成时态表示过去发生或已经完成的动作对现在造成的影响或结果．或从过去已经开始，持续到现在的动作或状态．本题属于从过去已经开始，持续到现在的动作或状态，现在完成时态的构成：助动词have/has+过去分词，根据主语：Chinese government 是第三人称单数，所以应该用has helped，故选：A．
点评 本题主要考查动词时态，做此类题目要注意时间状语、标志词．根据上下文所表达的含义，做出判断．同时更应记清时态的构成形式．就本题而言，主要考查现在完成时态．
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