完形填空：
Do you like to shop on the Internet? Things online are very cheap. I often get ________ online. Let me tell you how to buy one when i want to know something about a book. Firstly, I write an e-mail to the online shop. Then they will _______ me some pictures of the book. I think this is very helpful.
Online shops are _________ open. I can do shopping even at midnight if I want to . Real shops usually close __________ nine o'clock in the evening.
After you _______ the online shopkeeper what you want, you can have your things in a few days. When you go shopping in a shopping mall, you have to talk ________ with the shopkeeper and walk a lot. I don't like it, because i get tired _________.
I am teaching my grandmother ______ online. She cannot walk very far(远). _______ it is easy for her to shop online. My brother wants to learn how to do it too. He is very ________ most of the time. When he has a little free time, he can shop online. So you see, shopping online saves time.