Ⅰ. 选词填空：用what,how填空构成感叹句
1. a beautiful sunset!
2. carefully she paints the picture!
3. delicious the soup tastes!
4. fast the rabbit runs!
5. an interesting book!

1. What
2. How
3. How
4. How
5. What

1.a beautiful sunset是名词短语，what引导感叹句修饰名词，结构为What+a/an+形容词+名词。
2.carefully she paints the picture中carefully是副词，how引导感叹句修饰副词、形容词或动词，这里修饰carefully，结构为How+副词+主语+谓语。
3.delicious the soup tastes中delicious是形容词，how引导感叹句修饰形容词，结构为How+形容词+主语+谓语。
4.fast the rabbit runs中fast是副词，how引导感叹句修饰副词，结构为How+副词+主语+谓语。
5.an interesting book是名词短语，what引导感叹句修饰名词，结构为What+a/an+形容词+名词。

Ⅱ. 完成句子：用括号中所给单词的适当形式填空
1. Look at your room! How (mess) it is!
2. Lily and her sister went (boat) on the weekend.
3. Although they are very close, they go to different (university) at the end.
4. When Mr. Brown was young, he (dream) of being an actor.
5. The chocolate (pancake) are always popular with children.

1. messy
2. boating
3. universities
4. dreamed/dreamt
5. pancakes

1. “How + 形容词 + 主语 + 谓语”是感叹句的一种形式，mess的形容词形式是messy，意为“凌乱的，杂乱的”。
2. “go + 动词 -ing”形式表示“去做某事”，go boating是固定短语，意为“去划船”。
3. different后接可数名词复数形式，university的复数是universities。
4. 根据“When Mr. Brown was young”可知，句子时态是一般过去时，dream的过去式是dreamed/dreamt。
5. 根据句中的“are”可知，主语是复数形式，pancake的复数是pancakes。

Ⅲ. 语法填空
This summer, Sue finished high school. Luckily, she got 1. her dream university. It feels like yesterday that she 2. (start) high school. "How time 3. (fly)!" Sue's parents said. Later, Sue and her parents went boating 4. a lake to celebrate this good news. When they got home, there was a cake on the table. What an 5. (amaze) day!

1. into 2. started 3. flies 4. on 5. amazing

1. "get into university"为固定搭配，意为“进入大学”，故填into。
2. 由"It feels like yesterday"可知，“开始高中”是过去发生的动作，用一般过去时，start的过去式为started，故填started。
3. "How time flies!"为固定表达，意为“时光飞逝”，time为不可数名词，谓语动词用第三人称单数形式flies，故填flies。
4. "on a lake"表示“在湖面上”，为固定搭配，故填on。
5. 修饰名词day用形容词，amaze的形容词形式有amazing（令人惊讶的）和amazed（感到惊讶的），此处形容day，用amazing，故填amazing。