1．It was some time before they worked out what the problem was.
2．In the special class，they showed little ability to use their own judgment，relying (rely) heavily on their teachers' directions.
3．We played all our fresh string into the boys' kites and they went up higher and higher.
4．Tom is popular with his colleagues，which helps him pull up the poverty of his family.
5．Amazed (amaze)，she stood and stared while the police arrested her husband.
Ⅱ.单句改错
1．Exhausting，I slid into bed and fell fast asleep.Exhausting→Exhausted
2．You may rely on that he'll pay back all your money.on后加it
3．Helen was fully occupied in business matters yesterday.in→with
4．Come and see me whenever it is free to you.free→convenient
5．Every year large amounts of water has been wasted in our daily life.has→have
