課文朗讀英文字幕 課文朗讀中英文字幕 課文朗讀無字幕
Quizlet Set 1, Set 2
Lesson 3 Do Animals Sleep like You and Me?
Lesson 4 Sniffing Out More Than Just Bones
Lesson 5 The Life of a Plastic Bag
Lesson 6 Built for Freedom: The Statue of Liberty
Lesson 7 The White Envelope
Lesson 8 Convenience Store: Where Our Wallets Are Always Open
Lesson 9 Fighting for or against Graffiti