Take a took outside the windows.you( ) TV for three hours.A.have watched B.have been watching

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Take a took outside the windows.you( ) TV for three hours.A.have watched B.have been watching

Take a took outside the windows.you( ) TV for three hours.A.have watched B.have been watching
Take a took outside the windows.you( ) TV for three hours.A.have watched B.have been watching

Take a took outside the windows.you( ) TV for three hours.A.have watched B.have been watching
这里应当选B.having been watching.
意思是:去外面走一走吧,你已经连续看3个小时的电视了!

B
表示这三个小时一直持续未间断的状态

选B ,由第一个句子可以知道后面的这个动作正在进行,所以用现在完成进行时