you must be very tired.You___like this for days.A work B worked C will work D have been working

问题描述:

you must be very tired.You___like this for days.A work B worked C will work D have been working
which shoule be choose Why?

选D
因为该句后面有表示时间段的时间状语for days,译为:这些天,表示动作一直持续,而且目前仍在进行,所以用现在完成进行时,故选D .
以后再做此类题时,要特别注意句子的时间状语.