Choose the words and replace them in the right form.
not to meet, to take, to improve, come, not tu understand
I 1._________________ from Switzerland. I came to London six months ago to learn English. I 2.____________ many English people yet, only my teachers. I started learning English at school in Switzerland, when i was eleven. I 3.___________ anything, but now my English 4.____________ and i 5.___________ an exam.