按要求完成句子。
1. I hope I can forget all my problems.(变成同义句)
I hope________ ________ all my problems.
2. He often helps his brother to study English.(变成同义句)
He often________ his brother________ his English.
3.1 have been to the Great Wall.(改为一般疑问句)
________you________ ________the Great Wall?
4. The teacher asked the boys to finish the homework ontime.(改为被动语态)
The boys________ finish the homeworkon time by the teacher.
5. To make a pumpkin lantern is very interesting.(改为it作主语)
It is very________ a pumpkin lantern.