New words：

elf [elf] n.（故事中的）精灵
elves [elvz] elf复数

Sample Sentences：

I'm a human, but I was raised by elves.
My little daughter is as lovely as an elf.
An elf is sitting between the green branches and leaves lost in thought.

New words：

concert ['kɔnsət] n.音乐会；演奏会

Sample Sentences：

The concert will raise money for local hospitals.
The first arrivals at the concert got the best seats.
The children are too young to sit through a concert.

New words：

loads of [ləud] adj. 大量；许多

Sample Sentences：

I've got loads of things to do today.
She missed loads of lessons because she was ill.
Loads of people were taking pictures and some were definitely Chinese.

New Words：

stretch [stretʃ]
v.伸展；延伸；伸出；舒展
n.伸展；弹性；舒展

Sample Sentences：

He rose and stretched himself.
The desert stretches for thousands of miles.
She stretched across the table for the apple.
I got out of the bed and had a good stretch.

New Words：

yawn [jɔ:n]
v.打哈欠
n.哈欠；无聊的人或事；无趣的想法

Sample Sentences：

He stood up, stretched and yawned.
His long boring story made me yawn.
She stretched her arms out and gave a great yawn.
The meeting was one big yawn from start to finish.

stretch [stretʃ] v.伸展；延伸；伸出；舒展