Complete the mind map according to unit 4 and its content.
根据 4 单元和其目录内容，完成下面思维导图。

Topic: Past and present changes
Words & phrases
Nouns: dark, insect, school, friend, change
Verbs: be, wear, study, play, hate
Adjectives: short, tall, shy, outgoing, quiet, popular, afraid
Adverbs: seldom
Phrases: used to do sth., be afraid of, not...anymore, in public
Function: past and present changes
Recycling
Adjectives: tall, short, active, quiet
Phrases: has changed so much

根据Unit 4核心内容，主题围绕过去与现在的变化；词汇短语选取单元基础词，功能为谈论过去与现在的变化。

Ⅰ. Choose the proper words from the box and complete the sentences.
从方框中选择恰当的单词，完成下列句子。每空一词，每词只用一次。
seldom | fail | humorous | influence | absent | exactly 
1. Chaplin was the most actor in the world. Many of his movies make people laugh to tears.
2. Don't let me your decision.
3. The gift you sent me was what I wanted.
4. Paula is a careful girl. She makes mistakes in her study.
5. I'm nervous about the exam. I'm afraid I will again in it.
6. The meeting is very important. You shouldn't be from it.

Ⅰ. 1. humorous 2. influence 3. exactly 4. seldom 5. fail 6. absent

Ⅱ. Complete the following English sentences according to the Chinese.
根据汉语意思完成英语句子，每空一词。
1. My little son eats too little fruit and vegetables, so he gets ill (时常).
2. As a student, you have to learn to (处理) the difficulties you meet with by yourself.
3. It's impolite to spit (当众).

Ⅱ. 1. from time to time 2. deal with 3. in public