The river smells terrible. People_______ dirty things into it .

Excuse me, how can we _________ this river—- Look, there is a bridge.

“I hear Johnson was badly injured in theaccident” “_______ let‘s go and see him”

I find _____ hard to concentrate on my studies withsome people having small talks around me.

It’s good to know ________ the dogs will be well cared for while we’re away.