4. I have       (超過) 70 classmates in my class.

3.      (數(shù)百萬的) butterflies wake up in spring.

2. Mike,John and I are good friends. We always help        (互相) in study.

1. She       (事實上) missed her parents very much.

4. bring...back to...       

 3. at the end of     

2. 做有關……的研究     

1. ……的數(shù)量        

5. 當還在英國學習的時候，她在廣播里聽到了一首充滿感情的關于回家的歌曲。

While she was      in England,she      a song        about        on the radio.

4. 當薩拉是一個青少年的時候，她常反抗來自家庭的幾乎每件事情。

When Sarah      a teenager,she           almost everything with her family.