3.
语法填空
My parents will be on business. I will be alone at home. They are (worry) about me. My parents said to me, "We'll go away meeting. It's so important . We can't miss it. we are away, you should remember (shut) the door and lock it when you go out. Don't let (somebody) in. Get up as soon as the clock? (ring). Remember this address and send text messages if necessary. We'll be back a couple of days."
In fact, I am happy to be alone at home. In my opinion, (be) home alone is enjoyable. I can enjoy (have) a quiet time alone and read a favourite book. I can also learn to take care of myself.