（补全单词）They say they r________ more people to finish doing it.

（补全单词）Bill is good at playing computer. He is an e_________ in that field.

（补全单词）Some birds fly back again because of the i________ in environment.

(单句改错) Tom was just falling asleep then the telephone rang.

(单句改错) They have some problems get there.

(单句改错) When he heard the news, he got angrily.

(单句改错) Please return my dictionary back soon.

(单句改错) His story is more interesting as my sister's.

（翻译）他腿疼，我认为他摔断了腿。

　　His legs hurt and I think he _________ __________ his legs.

（翻译）不要担心! 几分钟之后他们将会追上的。

　　Don't worry! They'll _________ _________ _________ a few minutes.