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`2.` She hasn't visited me for 5 months. 

`3.` I haven't written to my uncle since June. 

`4.` We have become close friends for a long time.

`5.` Minh has collected stamps since 2000. 

`6.` I haven't spoken to her for 3 years. 

`7.` When did you use the car? 

`8. `She hasn't eaten this kind of food since January

`9.` Is this the first time you played a computer game?

`10.` It's ages since he last chatted with his classmate through the internet .

`11.` The time machine will be shown to the public when they finish it.

`12.` People recycle old car tires to make shoes and sandals

`13.` This is the first time i have played a computer game 

`text{2.}` She hasn't invited me for five months.

`text{3.}` I haven't written to my uncle in July.

`text{4.}` We have become close friend for a long time.

`text{5}` Minh has collected stamp since 2000.

`text{6.}` I haven't spoken to her for three years.

`text{7.}` When did you use the car ?

`text{8.}` She hasn't eaten this kind of food since January.

`text{9.}` Is this the first time you have played a computer game?

`text{10}` It's ages since he last chatted with his classmates through the internet.

`text{11}` The time machine will be showed to the public when they finish it.

`text{12.}` People recycle old car tires to make shoes and sandals.

`text{13.}` This is the first time he has played a computer game.