三、离开哈工大前，Ranran 和同学帮忙打扫教室。请完成下列任务。
任务一:根据图片,填写合适的单词补全对话,每空一词。

Teacher:Thank you for your help, everyone! Let's tidy up!
Ranran:I'm ready. I can 1. the blackboard.
Tom:I can 2. back the chairs.
Amy:I can 3. the floor.
Teacher:Good! And please 4. the windows. It's cold.
Tom:OK!
Sarah:Don't forget to 5. off the lights.
Ranran:Our job is done. The room is clean and tidy now!
任务二:写一写你能做些什么,让教室更整洁吧！

任务一:1. clean 2. put
3. sweep 4. close 5. turn
任务二: I can clean the blackboard and put the books in order.
(答案不唯一,合理即可)

四、Ranran来到了圣·索菲亚教堂，它有着百年历史。读一读“参观者须知”，判断下列句子是否正确，正确的在括号里写“T”，错误的写“F”。
Visitor Guide for Saint Sophia Cathedral
Welcome! To help everyone enjoy this historical（历史的）place
safely and happily, please follow these rules:
Look with your eyes: Please look, but do not touch.
Walk gently: Please walk quietly and do not run.
Listen carefully: Please listen. Do not talk loudly.
Ask politely: Please put up your hand first.
Don't use flash(闪光灯) when taking photos.
Don't lean（倚靠）on the old wooden railings（栏杆）or walls.
()1. We can touch the old paintings.
()2. We should walk quietly and not run inside.
()3. If we have a question, we can talk loudly first.
()4. It's good to use flash when taking photos of the old paintings.
()5. Don't lean on the walls.

1. F 2. T 3. F 4. F 5. T