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Text from Rita_Tretyakova - English

Help me to learn english
Hello, my name is Rita.
I'm 16 years old.
I learn english at school for 10 years, but I can't to speak english.
Today I decided that I must know this language, because it is the most popular language in the world.
I want to speak english very well, but I can't visiting courses, because they are so expensive.
Correct my mistakes, please.
Thank you for your help:)

หัวข้อ
- Help me to learn english
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- เพิ่มการแก้ไขใหม่ - หัวข้อ
Sentence 1
- Hello, my name is Rita.
  Vote now!
- เพิ่มการแก้ไขใหม่ - Sentence 1
Sentence 2
- I'm 16 years old.
  Vote now!
- เพิ่มการแก้ไขใหม่ - Sentence 2
Sentence 3
- I learn english at school for 10 years, but I can't to speak english.
  Vote now!
- เพิ่มการแก้ไขใหม่ - Sentence 3
Sentence 4
- Today I decided that I must know this language, because it is the most popular language in the world.
  Vote now!
- เพิ่มการแก้ไขใหม่ - Sentence 4
Sentence 5
- I want to speak english very well, but I can't visiting courses, because they are so expensive.
  Vote now!
- เพิ่มการแก้ไขใหม่ - Sentence 5
Sentence 6
- Correct my mistakes, please.
  Vote now!
- เพิ่มการแก้ไขใหม่ - Sentence 6
Sentence 7
- Thank you for your help:)
  Vote now!
- เพิ่มการแก้ไขใหม่ - Sentence 7