1. 用方框中所给词的适当形式填空

luck   table   before   mean   sweater

1. （1） — What is this on the ?

   — Some beef.

3. （2） This sentence "You are lucky".
5. （3） I would like two for my parents.
7. （4） I can finish the work four o'clock this afternoon.
9. （5） — You are to meet so many good friends.

   — Thank you.