Question

12. They got married in December 27th. 13. She didn't finish her work yet.14. There isn't someone in the room.15. We must wear uniforms at work.16. She's the taller of all.17. You needn't be rude to your parents.18. Do she play the violin?19. Ann is lieing on the grass.20. He usually watch TV in the evenings.21. Sam did good in the test.​

Answer 1

1)on

2)doesn't

3)все правильно

4)are

5)правильно

6)you dont need to b rude

7)does

8)lies

9) is

10)правильно

Answer 2

It seems like you have provided a series of sentences with various grammatical errors. I'll correct each sentence for you:

12. They got married on December 27th.
13. She hasn't finished her work yet.
14. There isn't anyone in the room.
15. We must wear uniforms at work.
16. She's the tallest of all.
17. You needn't be rude to your parents. (Alternative: "You don't need to be rude to your parents.")
18. Does she play the violin?
19. Ann is lying on the grass.
20. He usually watches TV in the evenings.
21. Sam did well on the test.

Please note that some sentences could have multiple corrections depending on the context, but I've provided the most common and appropriate corrections. If you have any specific questions about the corrections or need further explanation, feel free to ask!