5．The b________ year of the twenty-first century is 2001.

4．One of the bad t________ in my mouth was pulled out by the doctor.

3．Don’t get off the bus u________ it stops. 　　

2．People think we look the same, but I can see that we have a few small d________.

第一小节：(共16空，计8分)

根据句意完成已给出首字母的单词，使句意完整通顺。

1.We are together most of the time. So we never feel l________.