5．全世界的人都在尽力拯救濒危动物。

People from all over the world are trying to save the animals_________　 _________．

4．看，她的眼睛充满了泪水。

Look！Her eyes_________　 _________　 _________　 tears．

3．明天有可能下雪。

_________　 _________　 _________ tomorrow．

2．你想来点加糖的咖啡吗?

_________ you ______　 ______ coffee with sugar？

1．人们应该学会保护自己。

People should learn　 ______　 ______　 ______．

10．It’s time for class．The teacher asked us to stop ______(talk)and listen to her．

9．--Whose MP3 player is this?

--It might be Tom’s．He ______ (buy)one recently．

8．--What happened to you this morning ？ You are late for work again．

--Bad luck！I ______(not catch)the early bus．

7．It’s easy for him　 ______(pass)the exam，because he is really good at it．

6．Why ______ (not go)back home on Sunday?