During my last summer vacation, I i

During my last summer vacation, I interned at (ชื่อบริษัท), a leading media agency in Thailand where I had a chance to practise writing advertising copies and learned how to work as professional in the field.

ผลลัพธ์ (อังกฤษ) 1:

During my vacation, I interned last summer at (company name), a leading media agency in Thailand where I had a chance to practise writing and learned how to work advertising copies as professional in the field.

ผลลัพธ์ (อังกฤษ) 2:

During my last summer vacation, I interned at (name of company), a leading media agency in Thailand where I had a chance to practise writing advertising copies and learned how to work as professional in the field.

ผลลัพธ์ (อังกฤษ) 3:

During my last, summer vacation I interned at (company name), a leading media agency in Thailand where I had a chance to. Practise writing advertising copies and learned how to work as professional in the field.