—What ________ to the boy a moment ago? —The knife cut his tiptoe.

—Why not go to see the film with me?—Because I ________it.  

While she ______ the newspaper, Granny ______ her.

--- It’s difficult for the village children to cross the river to get to school.--- I think a bridge ________ over the river.

I bought a computer last year. I ______ it for one year.