1. There are some flowers in the garden. (改为一般疑问句)
    ________ ________ any flowers in the garden?
2. Lisa bought a souvenir in the Gift Shop yesterday. (改为否定句)
    Lisa _______ ________a souvenir in the Gift Shop yesterday.
3. David is playing basketball in the playground now. (对画线部分提问)
    ________ ________ playing basketball in the playground now?
4. You shouldn’t arrive late for class. (改为祈使句)
    ________ ________ late for class.
5. The boys were too tired to walk on. (改为同义句)
    The boys were ________ tired ________ they couldn't walk on.
6. The teacher has told us how we should improve our speaking skills. (改为简单句)
    The tcachcr has told us how ________ ________our speaking skills.