根据句意和所给首字母写出英语单词。

1. She drank a bottle of orange p_______.

2. There are several spelling m_______ in you written work.

3. I'm c_______. Could you please explain it again?

4. I'm always c_______ Sam and Yom. They look the same.

5. If you b________ with them, they might reduce the price.

ETF主要涉及两个参与主体：受托人和投资者。( )