Sir, do you have anything _________ this afternoon? If there is nothing to do, I wonder if I can ask for a leave．

The explorer traveled to several remote villages, _____a lot of unusual information.

He pretended __________when his mother stepped into the room..

I can’t do my lessons with so much noise going on, Tom. I’d appreciate ______ the radio down.

If we don't start now, we must risk ____ the train.