四、从方框内选择合适的内容填空,填序号。
A. am
B. She's
C. Are
D. Who
E. He's
F. brother
1. —is he? —He's Mike.
2. This is Su Hai. my sister.
3. Liu Hao is my .
4. my father.
5. —you Tad? —Yes,I .

1. D
2. B
3. F
4. E
5. C；A

1. 根据答句可知空白处应询问他是谁，需用疑问词“Who”，故选D。
2. “This is Su Hai.”后介绍苏海身份，“sister”为女性，用“She's”表示“她是”，故选B。
3. “Liu Hao”是男性名字，结合选项，“brother”表示兄弟，符合语境，故选F。
4. “my father”是男性，用“He's”表示“他是”，故选E。
5. 问句主语是“you”，be动词用“Are”；答句主语是“I”，be动词用“am”，故选C、A。

五、阅读材料,判断下列句子的正误,正确的打“√”,错误的打“×”。
Good morning, I'm Timmy. Jenny is my friend. I'm a tadpole(蝌蚪). This is my sister, Lisa. My sister is a tadpole too. This is my mother, Benny. My mother is a frog(青蛙).
Good morning, I'm Jenny. I'm a fish (鱼). This is my mother, Jane. This is my brother, Joy. My brother is a fish, and my mother is a fish too.

()1. Jenny and Timmy are friends.
()2. Benny is Timmy's mother.
()3. Lisa is a frog.
()4. Jane and Joy are friends.
()5. Jenny is a fish.

1. √
2. √
3. ×
4. ×
5. √

1. 从Timmy的介绍“Jenny is my friend.”可知Jenny和Timmy是朋友，该句正确，应打“√”。
2. Timmy说“This is my mother, Benny.”，所以Benny是Timmy的妈妈，该句正确，应打“√”。
3. Timmy介绍“This is my sister, Lisa. My sister is a tadpole too.”，说明Lisa是蝌蚪不是青蛙，该句错误，应打“×”。
4. Jenny说“This is my mother, Jane. This is my brother, Joy.”，可知Jane和Joy是母子关系不是朋友，该句错误，应打“×”。
5. Jenny说“I'm a fish (鱼).”，所以Jenny是鱼，该句正确，应打“√”。