Complete the mind map according to unit 12 and its content.
根据 12 单元和其目录内容，完成下面思维导图。

Topic: Life is full of the unexpected.
Words & phrases:
Nouns: backpack, bell, bus, school
Verbs: realized, left, rang, heard
Adjectives: unexpected, late
Else: already
Phrases: by the time, be about to, leave...at home
Function: Talking about past unexpected events
Sentence Structures:
1. had left
2. had rung
3. when
4. had; left
5. heard
Recycling:
Nouns: home, time
Phrases: got to, in line

根据Unit 12 "Life is full of the unexpected"内容，结合词汇、功能及句型特点完成思维导图。
Topic为单元主题；词汇分名词、动词、形容词等，选取单元核心词；功能为谈论过去意外事件；句型重点练习过去完成时及固定搭配；Recycling部分复习相关词汇短语。

Ⅰ. Choose the proper words and complete the sentences.
选择恰当的单词，完成下列句子。
1. I was (embarrassed / embarrassing) when I knocked the cup of coffee over.
2. Don't play an (embarrassed / embarrassing) joke on your friends, even on April Fool's Day.
3. The ending of the movie is rather (surprised / surprising).
4. Mike was very (surprised / surprising) to hear the bad news.
5. Gina's fourteen now, and all she's (interested / interesting) in is music.
6. It's (interested / interesting) that no one remembers seeing the car.
7. Our team won the football match. That's really (excited/exciting).
8. I'm very (excited / exciting)! We are taking a vacation around China.

Ⅰ . 1. embarrassed 2. embarrassing 3. surprising 4. surprised 5. interested 6. interesting 7. exciting 8. excited