旅行吧!

Practice A

2.→A man was seen to sneak in through the back door.

Saving Sight Worldwide

PART A

1. is devoted to providing better training

PART A

1. He seldom gives us compliments.

2. rely on cell phones to communicate with others

I.Vocabulary & Derivatives

1. flapped          2. petulant              3. flustered

1. passengers  2. electricity  3. skyscraper  4. practical  5. express

6. concept  7. Nowadays  8. steam  9. spread  10. limited