I think it's "La" because it means she is "the" writer of her school.
Hey there!
This is correct.
"Aquella camisa es bonita" is grammatically correct.
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This means "That shirt is pretty."
I hope this helps you.
Have a great day! :)
Answer:
1. Observe the plants and draw them
2. Read a book with the whole family under a tree
3. Have a picnic with your whole family
4. Enjoy the outdoors and exercise