Here are the corrections for the sentences:

1. **Thanh went to school on** ***the*** **bus this morning.**
2. **I will meet my friends on** ***Sunday*** **morning.**
3. **There are some magazines on** ***the*** **shelf.**
4. **Do you like playing sports** ***in*** **the playground?**
5. **We will have a test** ***next week.***
6. **Shall we visit the school for blind students?**
7. **Nancy was born in** ***April.***
8. **What do you usually do in** ***the*** **summer?**
9. **I sometimes study** ***at*** **midnight.**
10. **There are** ***50*** **classrooms in our school.**

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