X hoá trị 2

Y cũng hoá trị 2

Nên cthh là XY

1. I haven'thad lunch_______yet______.

2. J've _______just_______ had my exam results.

3. MY father has_____just____ returned from his trip to Australia.

4. I have _____already_______ had 3 tests this week.

5. Have you played your new computer game__yet__________?

Cho mình hỏi mọi người là làm thế nào để có coin vậy