根据句意填词，首字母已给出。

1．A w    will serve you in the restaurant．

2．Until now，even the s    aren’t sure whether there are UFOs．

3．Robots will take the place of h    in many work situations．

4．The movie is so i    ; I like it very much．

5．Don’t c     the tall tree．It’s dangerous．

6．Mother was cooking in the k       when I came home．

7．All of my friends went to my friend’s party e    me，because he didn’t invite me．

8．We’ll get n    when we have an English exam because we are worried about our listening．

9．Put this letter in the mailbox and don’t forget to put a s    on the envelop．

10．In China，three, six, eight, nine are l   numbers．