句型转换。
1. The dress cost so much that she didn’t buy it.（用too … to …改写）
The dress cost____  her  ____ buy.
2. It rained yesterday, so I stayed at home.（用because改写）
____ it ____  yesterday,  I ____at home.
3. My parents will go to America in two weeks.（对划线部分提问）
____  your parents ____to America.
4. People use thermoses (热水瓶)for keeping water warm.（改为被动语态）
Thermoses ____ water warm。
5. I hardly ever meet him after he moved to another district.（对划线部分提问）
____ you meet him after he moved to another district?
6. Collecting coins interests the small boy.（用interested改写）
The small boy ____  coins.
7. Basketball was invented by a Canadian doctor.（改为主动语态）
A Canadian doctor____.