New Words：

prize [praɪz] 奖;奖赏;奖励;奖品;奖金
price [praɪs] 价格;价钱

Sample Sentences：

I won the first prize.
The winner of the first prize is Eason.
Who do you think will win the first prize?

Gas is coming down in price.
The price of gas is coming down.
How much are these? They don't have a price on them.

New Words：

bother [ˈbɒðə(r)] 打扰;使（某人）烦恼（或担忧、不安）

Sample Sentences：

Don't bother me with this and that.
Stop bothering me when I'm working.
Let me know if he bothers you again.
Sorry to bother you, but there's a call for you.

New Words：

letter [ˈletər] 信;字母

Sample Sentences：

I had a letter from my sister.
There's no date on this letter.
We could write a letter to your father.
What do the letters SOS mean?
What is the middle letter in the word 'son'?

New Words：

copy [ˈkɒpi] n.复制品 ；v.复制
copier [ˈkɒpiə(r)] 复印机
photocopier [ˈfoʊtoʊkɑːpiər] 复印机

Sample Sentences：

I'll do you a copy.
I'll do a copy for you.
I will send you a copy of the report.
Also, you can copy and send it to your friends.
Please add paper to the copier.

New Words：

fire balloon 热（空气）气球
hot air balloon 热（空气）气球