There will be______one-hour documentary tonight on TV. It tells a story of______honest boy in the mountain village far away.

The students have been working hard on their lessons and their efforts______ success in the end.

I can judge that they ________ the enormous risks involved. [ ]

_______such heavy pollution already, it may now be too late to clean up the river.[ ]

She____thefilm.Sheknowsnothingaboutit.