Complete the sentences with can or can't.

1. We ..... play tennis on Saturday. I'm free.
2. a. ..... I smoke here?
    b. No, it's a no-smoking restaurant.
3. I'm sorry. I ..... remember your name.
4. I ..... speak French but not German.
5. ..... you help me? This case is very heavy.
6. I ..... see you tonight. I'm very busy.
7. Sorry? I ..... hear you.
8. Look! We ..... buy some milk in that shop.