1. My father has been a worker for 15 years.( 就画线部分提问)
    _____ _____has your father been a teacher?
2. We bought some mushrooms in that shop.( 改为否定句)
    We_____ _____ _____ mushrooms in that shop.
3. He has lived in Beijing for two years.( 改为否定句)
    He_____ _____ in Beijing for two years.
4. I wanted to drink milk because I was very thirsty.( 就画线部分提问)
    _____ _____you want to drink milk?
5. He has to go home now.( 改为一般疑问句)
    _____ he_____to go home now?
6. He needs three bananas when he makes a fruit salad.( 就画线部分提问)
    _____ _____ _____does he _____when he makes a fruit salad?