根据句意及首字母提示，填写适当的单词。

1. —It's rainy today, take your u             with you.   —I will, Mom.

2. Go straight on and c             the bridge, you'll find the post office.

3. —Oh, Dick, you're late again.   —I am so sorry. But the t             is really busy this morning.

4. He lives on the 25th floor and takes the e              up and down every day.

5. —Did you tell your mother that you would be home late in the evening? 

    —Of course. I left a n             on her dresser.