New Words：

nation [ˈneɪʃn] 国家;民族;国民
national [ˈnæʃnəl] 国家的;民族的
National Day 国庆节

Sample Sentences：

China is a very old nation.
Pandas are the treasures of our nation!
We are a great nation, the leader of the world.

Happy National Day to all of you!
What are the colors of our national flag?
Today is National Day. It was a fine day for going out.

New Words：

lead [liːd] 带领；领导；引导
led [led] lead的过去分词和过去式
leader [ˈliːdər] 领导者;领袖;首领
kept [kept] keep的过去分词和过去式

Sample Sentences：

He is ready to lead this nation.
Jack led the way down the rock.
You lead the way and I'll follow you.

Dogs must be kept on a lead in the park.
You must keep your dog on a lead in the park.
If you can't control your dog, put it on a lead.

New Words：

path [pæθ] 小路;小径;路线;道路;行动计划;成功的途径
cool [kuːl] 凉的;凉爽的;冷静的;出色的

Sample Sentences:

It's a dangerous path.
The path was cool and dark.
We walked together up the garden path.

We found a cool place to sit.
I think their new song's really cool.
'Can you come at 10.30 tomorrow?' 'That's cool'

New Words：

maybe [ˈmeɪbi] 大概，或许，可能，也许

Sample Sentences：

Maybe you should tell her.
Maybe it cost too much money.
Maybe he'll come, maybe he won't.
Maybe one day you'll find true love.

New Words：

pound [paʊnd] 英镑
cost [kɔːst] 费用;花费;价钱;成本

Sample Sentences:

Fifty pounds is the best I can give you.
It will cost two, maybe three hundred pounds.

We must think of the cost.
It cost him five hundred.
How much does the jacket cost ?