按要求完成下面句子。

1. Did you meet a famous actor? (作否定回答)

    __________

2. Tina went to the zoo last weekend. (变一般疑问句)

    __________Tina __________ to the zoo last weekend?

3. Could you please clean your the living room? (改为否定句)

    Could you please __________ __________ your the living room?

4. you, what, on, are, doing, Monday (连词成句)

    ____________________________________

5. than, am, my, outgoing, I, brother, more (连词成句)

    ____________________________________

沉降性质的药物多为（）之性。