按要求完成句子。
1. My son works at the Bank of China. (改为一般疑问句)
____________________ son work at the Bank of China?
2. What does your uncle do? (改为同义句)
What __________ your __________ job?
3. Amy comes from Canada. (改为同义句)
Amy ____________________ Canada.
4. My mother works in a hotel. (对画线部分提问)
____________________ your mother work?
5. They are nurses of that hospital. (用“Helen”改写)
Helen __________ a __________ of that hospital.