Tom. Why do you look so tired? — Because I often study late ______ 10 o’clock at night.[ ]

Let’s vote____ Betty, because she often helps people ___ need.[ ]

I saw your sister ride a new bike this morning.—A new bike? She ________ it for about two years.

They’ve got two machines, but ________ works well.

I need my hat, my notebook and a pen. Can you _________ them to me?