Sure! Here are the rewritten sentences:

1. Thảo studies English every day in order to get a high score in her English proficiency test.

2. Oliver is practicing his presentation skills in order to impress his boss at the meeting.

3. Tommy used to sketch in his notebook during his free time.

4. We couldn’t find a taxi because we took a tuk-tuk instead.

5. Did you use to go to the beach during summer vacation when you were younger?

6. Before smartphones, people would write letters to stay in touch with friends and family.

7. We decided to cancel the barbecue because of the heavy rain.