摘要：47．考查语境中的时态综合运用.从内容上看应为完成时.从所给信息看.应为过去时.这样就容易作出正确选择:过去完成时.
网址：http://m.1010jiajiao.com/timu3_id_2517844[举报]
请注意观察下面句子中的时态、意义的不同，写出译文比比看。
He has worked here for two hours．________________
He has been working here for two hours．________________
请注意观察下面句子中的时态、意义的不同，写出译文比比看。
He has worked here．________________
He has been working here．________________
请注意观察下面句子中的时态、意义的不同，写出译文比比看。
He has written a letter．________________
He has been writing a letter．________________