I am to be your mentor for the next six months. If you are ever ___ doubt about something, feel free to ask me and I will help as much as I can.

I went to the store ___ foot yesterday. I really like taking short walks once in a while.

I originally thought it was a bad idea. However, ___ second thought, you may have a point, so let's discuss your plan more over dinner.

Don't worry about a thing. You'll feel better ___ no time. You look better already and the flu doesn't usually last more than a couple of days.

___ addition to the textbook, you also have to buy the new edition of the workbook because you will need both this semester.

Norman is ___ a lot of pressure at work. He's responsible for planning the upcoming seminar as well as his regular duties.

I know you have to move because you got a great job. Just promise me that we'll keep ___ touch even though you're going to be so far away.

As his big brother, you owe it to him to keep him ___ your protection during his first year of high school.

I couldn't get a hold of Sharon last week. I called her but her phone line isn't ___ use anymore. It's been disconnected. She probably moved and will call soon.

Simon is ___ a lot of stress at the moment. His wife left and he just lost his job.