Choose the words and replace.

not to meet, to take, to improve, come, not to understand

I_____from Switzerland.I come to London six months ago to learn English. I_____many English people yet, only my teachers. I started learning English at school in Switzerland when I was eleven. At first in London, I_____anything, but now my English_____and I_____an exam.

1) come2)haven't met3)didn't understand /hadn't been understanding4)is impoving/has improved5)l'm taking (запланированное действие)