Where is Tom? We can’t find him anywhere. —Perhaps he_____ home.

Mary usually goes to school _______ her father’s car.[ ]

What happened to Mike? —He had a stomachache. He began to work _______ having breakfast this morning.[ ]

My brother only sits_____ about 30 minutes when he watches TV. [ ]

The other day, as I was walking _____ town , I saw a strange sight.