Infinitive of purpose

I go to the supermarket because I want to buy milk.

(a)  

They study a lot because they want to get good marks.

(a)  

Amanda is going to the party because she wants to meet new people.

(a)  

She has a new computer because she wants to write a book.

(a)  

We must study every day because we want to improve our English

(a)  

He goes to Italy because he wants to learn italian.

(a)  

I will go to Tanzania because I want to climb Kilimanjaro

(a)  

They go to the park because they want to play football.

(a)  

We will go to the shopping centre because we want to buy a new mobile phone.

(a)