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- Is James at home?
-- No, he          Ya'an to be a volunteer.
A. has gone to                B. has been to            C. is going to
A
句意:詹姆斯在家吗?——不,他已经去了雅安做志愿者。结合语境可知下文描述的是现在已经完成的动作,故用现在完成时态。选项B表示持续性动作,本句只强调动作的完成,故用瞬间动词,选A。
点评:英语中的时态主要是借助于时间状语与上下文语境来进行判断。解答此类题型,首先要注意句子中的时间状语,如果没有则要通过分析上下文,结合语境来判断句子的时态。完成时态中的动词有瞬间动词和持续性动词之分,瞬间动词的过去分词强调的是动作的完成,持续性动词强调的是动作的持续性。现在完成时态中表示一段时间的时间状语不能和瞬间动词连用,持续性动词不能和表示瞬间时间的时间状语连用,需注意区分。
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