按括号中的要求完成改写后的句子，每个空格填一个单词。
1. She finds that it isn't easy to learn English. (同义句)
She finds hard learn English.
2. The boss made the workers work 12 hours a day. (变成被动语态)
The workers ________ ________ 12 hours a day by the boss.
3. If he can't answer this question,nobody can. (同义句)
Nobody can answer this question _________ _________.
4. My sister went shopping. She didn't go to the movies. (合并为一句)
My sister went shopping ________ ________ going to the movies.
5. Little Jim is only five years old. He can't make modle planes by himself. (同义句)
Little Jim is ________ young ________make modle planes by himself.
6. The children were playing basketball on the playground just now. They saw them. (同义句)
They ________ the children ________ basketball on the playground just now.