New Words:

take care of 照顾;照看;看护
stuff [stʌf] 东西；物品；

Sample Sentences：

Take care of yourself! Be careful of yourself!
I'm not worried about her,she can take care of herself.

Where's all my stuff?
I don't know how you can eat that stuff!
Could you move all that stuff off the table?

New Words:

cheer [tʃɪr] 欢呼;喝彩;加油;鼓励;鼓舞
cheering [ˈtʃɪrɪŋ] cheer的现在分词
suitcase [ˈsuːtkeɪs] 衣箱；手提箱；行李箱
wondered [ˈwʌndəd] 想知道;想弄明白;感到诧异; 非常惊讶;

Sample Sentences：

My suitcase was full of books.
Everyone cheered and clapped.
People were cheering and jumping up and down.

I wondered what that noise was.
Mary wondered where to go the next day.
I wondered how can you spend so much money for that.

New Words:

calm [kɑːm] 镇静的;沉着的;风平浪静的;无风的
promise [ˈprɒmɪs] 许诺;承诺;答应;保证
swam [swæm] swim的过去式
swum [swʌm] swim的过去分词

Sample Sentences：

We swam in the calm sea.
Please calm down! We'll find her.
I kept telling myself to keep calm.

Promise me you'll take care of yourself.
Promise me you will not waste your time.
I can promise you, you'll have a wonderful time.

take care of 照顾

New Words:

voice [vɔɪs] 嗓音;说话声;歌唱声

Sample Sentences：

She has a high voice.
Keep your voice down.
I could hear voices in the next room.
'I promise,' she said in a small voice.

promise [ˈprɒmɪs] 许诺;承诺;答应;保证

New Words:

sound [saʊnd]

n. 声音;响声
v. (使)发出声音，响;拉响警报

Sample Sentences：

Could you turn the sound up/down ?
Sound travels more slowly than light.
Sound travels better in water than in air.

travel [ˈtrævl] 长途行走;旅行;转送，传播;