21. She is moving to the countryside. She wants to enjoy a peaceful life. ​(in order that)
She is moving to the countryside in order that She can enjoy a peaceful life
22. This museum is small. It has many unique artefacts. (although)
although  This museum is small,  It has many unique artefacts.
23. She went to bed early. She was exhausted after a busy day. (because)
. She went to bed early because  She was exhausted after a busy day
24. I was walking around the Old Quarter. I found a beautiful historic temple. (while)
while I was walking around the Old Quarter, I found a beautiful historic temple.