Obligation, Permission, Prohibition and Necessity (didn't need to vs needn't have), and Ability in the past

Active — user can report

คำแนะนำของผู้เขียน

do the following activities

สำรวจแผ่นงาน

Voabulary

Vocabulary - Language Arts

write a word having same meanings in column B after reading word from column A

Mixed Conditionals

Vocabulary - Language Arts

conditionals

Working with tools

Vocabulary - Language Arts

Vocabulary exercise for craftsmen

Nghe điền từ part 1 - 3

Vocabulary - Language Arts

Nghe và điền từ