New Words：

shoulder [ˈʃəʊldə(r)] 肩;肩膀
sign [saɪn] 招牌;标牌;指示牌;标志
bounce [baʊns] (使)弹起，弹跳
bouncy [ˈbaʊnsi] adj. 弹性好的;有反弹力的;
bouncy ball 弹力球

Sample Sentences：

He put his hand on Pete's shoulder.
He carried the child on his shoulders.

There's a big sign in front. You can't miss it.
The sign on the wall said ‘Now wash your hands’.

I can bounce the ball.
The house was filled with bouncy toys.
The ball bounced twice before he got it.

twice [twaɪs] 两次;两遍

New Words：

remove [rɪˈmuːv] 移开;拿开;去掉;摘下;去除
store [stɔːr] 商店;店铺
keychain [kiː tʃeɪn] 钥匙扣；钥匙串；钥匙圈
fill [fɪl] 装满，注满，填满

Sample Sentences：

He removed his hand from her shoulder.
"Would you please remove the chair in the way and let me pass? " he asked.

The new store will be open in the spring.
Why don't you come with me to the store?

Her eyes filled with tears.
Fill in your full name and address.

shoulder [ˈʃəʊldə(r)] 肩;肩膀

New Words：

iron [ˈaɪən] 铁
rust [rʌst] n. 锈;铁锈; v. (使)生锈
rusty [ˈrʌsti] adj. 生锈的

Sample Sentences：

Irons are easy to rust.
It'll rust if you leave it out in the rain.
How can I remove the rust from the iron door?

I'm interested in that rusty old bike.
We drive around town in a rusty old truck.

remove [rɪˈmuːv] 移开;拿开;去掉;摘下;去除

New Words:

either 美 ['iðər] 英 [ˈaɪðər] （用于否定词组后）也
episode [ˈepɪsoʊd] (电视连续剧或广播剧的）一集
previously [ˈpriːviəsli] 先前;以前;

Sample Sentences：

‘I don't like it.’ ‘Me either.’
Peter can't go and I can't either.
I do not like learning all day, but I do not like playing all day, either.
He said he did not hate her, but he also said he did not love her either.

New Words:

which [wɪtʃ] 哪一个;哪一些
blindman's buff 捉迷藏
watch out 当心；留神；小心

Sample Sentences：

Which way is north?
Which way did they go?
Which one do you like best?
Which is the largest city in the world?