（Arpeng is talking with his classmate, Chengchen, on the hallway.）
Chengchen: Arpeng, summer vacation is coming soon. How happy!____________________________________
Arpeng: I’ve no idea. Maybe I’m traveling with my classmates.
Chengchen: But do your parents allow you to travel by yourselves?
Arpeng: I’m not sure. But I think teenagers should be allowed to make their own decisions.
Chengchen: __________________________________ We are old enough to take care of ourselves.
Arpeng: That’s right. ___________________________________________
Chengchen: Sorry, I’m afraid I can’t go with you. I’m planning to join an English language club.
Arpeng: Wow, why do you work so hard? Your English is good.
Chengchen: _______________ But not good enough. I always dream about studying aboard(往国外) one day.
Arpeng: That sounds good. _______________________________________
Chengchen: It’s certain that I’d like to go to an English-speaking country. But I don’t know which one exactly right now.
Arpeng: You’re great. I think you can make your dream come true.
水果在冬天应该被保存好。
The fruit________ ________ ________well in winter．
能想出这么一个好主意很棒!
It’s wonderful to________ ________ ________such a good idea!
We are very proud of these national________(英雄)．
攀登岩壁非常危险。
________ ________ ________ ________danger in rock climbing．
A knife can be used for________(cut)bread．