根据句意及所给提示，补全单词或用单词、固定短语、固定搭配的正确形式填空。

1. Can I use your eraser? M________ is lost.

2. Fruits help to keep you ________ (health).

3. Millions of ________ (tour) come to our city every year.

4. We Chinese sometimes ________ (借) words from English when talking.

5. Just now we ________ (同意) each other to discuss the task together.