---The window is dirty.----I know. It ______ for weeks.
A ship loaded with expensive goods was reported ________ into the sea with its oil ________ .
Word came ________the concert that was given by the band ________ 5 teenagers was appealing .
It was ________ experience that caused the company Robert ________ two years ago to get into trouble .
Had we assisted him , he ________ us a hand ________ today .
The car ________ on the way , consequently ________ .