题目内容
16.---Have you ever heard of the ALS Ice Bucket Challenge(冰桶挑战)?---Yes,it _______nearly 1.4million yuan since it came to China on August 18th,2014.( )
| A. | raised | B. | raises | C. | has raised | D. | is raising |
分析 --你曾经听说过ALS冰桶挑战吗?
--是的,自从2014年8月18日它到中国以来,已经筹集了近140万元人民币.
解答 答案:C 现在完成时基本用法之一:表示过去已经开始,持续到现在,而且还可能继续下去的动作或状态,常与since或for引导的时间状语连用.since引导时间状语从句时,从句使用一般过去时,则主句使用现在完成时.结合句意,根据since it came to China on August 18th,2014.从2014年8月18日就开始了,并且一直持续到现在.可知应该用现在完成时态.现在完成时态的构成:助动词have/has+过去分词,根据主语it,是第三人单数,所以应该用has,故选:C.
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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