请通读下面对话，根据对话内容，从下面的选项中选出能填入空白处的最佳选项。选项中有一项为多余选项。
Dad: What are you doing on the computer, Ann?
Ann: （1）
Dad: Do you know them well?
Ann: （2） They are my friends in real life.
Dad: Good. You know, it can be dangerous to make friends online.
Ann: Sure, Dad. （3）
Dad: That’s right. And you may advise your friends to be careful, too.
Ann: I will tell them later. In fact, I’ll meet them this afternoon.
Dad: （4）
Ann: To the city library. We’ll work as volunteers there for the Internet Safety Day.
Dad: I’m so proud of you. （5）
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A. Have fun there! B. It’s my pleasure. C. Don’t worry, Dad. D. Where are you going? E. I know I need to protect myself. F. I’m chatting with my friends online. |
What _________unusual school trip we had! I will never forget it．（ ）
A．aB．anC．theD．/
In America， Thanksgiving is a holiday _____________celebrates the love of family．（ ）
A．whoB．/C．that
We have to ______________the school trip because of the bad weather．（ ）
A．put offB．get offC．turn off
___________do people greet visitors？ Some shake hands． Some say "hello" or "hi"．Some kiss．（ ）
A．WhyB．WhatC．How
We will cause less pollution _____________we can find ways to reuse or recycle more rubbish．（ ）
A．unlessB．ifC．though