G8A1-U7: Vocabulary exercises.

G8A1-U7: Vocabulary exercises.
G8A1-U7: Vocabulary exercises.
G8A1-U7: Vocabulary exercises.
G8A1-U7: Vocabulary exercises.
G8A1-U7: Vocabulary exercises.
G8A1-U7: Vocabulary exercises.

คำแนะนำของผู้เขียน

Conditional types 1,2