一、用括号内所给单词的适当形式填空。
1. Please help me find the
(key). I can't find them.
2. My friend likes doing
(volunteer) work very much.
3. That's my ( daughter )
favorite story.
4. I had some interesting
(experience) in the village.
5. She (lose) her scarf, but
she didn't feel sad.

一、1. keys 2. voluntary/volunteer
3. daughter's 4. experiences 5. lost

二、根据中文意思完成句子。
1. 李太太昨天把手机落在了超市。
Mrs. Li her phone
yesterday.
2. ——你妈妈在哪里呢？
——她在回来的路上。
— Where is your mom?
— She is
back now.
3. 你能帮杰克取一下书吗？
Can you help the book
Jack?
4. 谁在敲门？
Who is the door?
5. 我可以用你的手机给我奶奶打电话吗？
May I your phone
my grandma?

二、1. left; in the supermarket 2. on her way
3. get; for 4. knocking at/on
5. use; to call

三、补全对话。
A: Good morning, Lin Tao.
B: 1. ,
Chen Fei. Could you lend me a hand,
please?
A: Sure. 2.
B: I'd like to do some voluntary work at
Children's Hospital. Could you give me
some suggestions?
A: Sure. I worked there last month. I can
tell you something about it.
B: That's very kind of you! 3.
A: I helped do many things like doing
some cleaning and teaching children
Chinese.
B: Were they interested in Chinese?
A: 4.
They thought it was wonderful. You
can also do many things, such as
playing games and chatting with them.
B: That's a good idea. Thank you for your
suggestions.
A: 5.

三、1. Good morning
2. What's up/ What's wrong/ What's the
matter?
3. What did you do here?
4. Yes, they were.
5. Not at all/ That's OK/That's all right/
You are welcome.（答案不唯一）