$12$. They have never eaten Pizza before.

$13$. He has never met his father before.

$14$. He hasn't played Minecraft for 5 months.

$15$. We haven't gone to the cinema for 3 weeks.

$16$. They haven't used a computer for a year.

$17$. He has driven a car for 2 years.

$18$. They have worked this company for 5 years.

$19$. We have learned English for 4 years.

$20$. I have eaten healily for 6 months.

   Chúc hok tốt.  

~Xin trả lời hay nhất~

. They have never eaten Pizza before.

. He has never met his father before.

. He hasn't played Minecraft for 5 months.

We haven't gone to the cinema for 3 weeks.

They haven't used a computer for a year.1He has driven a car for 2 years.

 They have worked this company for 5 years

 We have learned English for 4 years.

I have eaten healily for 6 months.