2011厦门市质检英语选择题you haven't heard from claire for a long time?No,since he was sent abroad.不用has been sent是不是因为这里was sent是指一个动作,而has been sent是指已经送去了

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2011厦门市质检英语选择题youhaven''theardfromclaireforalongtime?No,sincehewassentabroad.不用hasbeensent是不是因为这里wass

2011厦门市质检英语选择题you haven't heard from claire for a long time?No,since he was sent abroad.不用has been sent是不是因为这里was sent是指一个动作,而has been sent是指已经送去了
2011厦门市质检英语选择题
you haven't heard from claire for a long time?
No,since he was sent abroad.
不用has been sent是不是因为这里was sent是指一个动作,而has been sent是指已经送去了

2011厦门市质检英语选择题you haven't heard from claire for a long time?No,since he was sent abroad.不用has been sent是不是因为这里was sent是指一个动作,而has been sent是指已经送去了
since+过去的时间