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.