Sure! Here’s how you would format the words in each sentence:

1. My **parents** are at the **airport** at the moment.
2. The restaurant was crowded, **so** we decided to eat **outside** instead.
3. After spending the whole day at the funfair, we were tired.
4. We live in an **old** house with a **narrow** garden.
5. Tomorrow, we are going to the park for a picnic with our friends.
6. My sister has long brown hair and a straight nose.
7. I am learning about **rainbows** in science class now.
8. Let me show you how to prepare a simple salad for lunch.
9. Can you buy some **pears** and **tomatoes** from the grocery store?
10. Linda is too **scared** to go on the roller coaster at the amusement park.

**Explanation of markings:**
- Words circled with /aʊ/: *outside, how*
- Words underlined with /əʊ/: *so, old*
- Words double underlined with /eə/: *air, pear, scared*