Chọn một đáp án trong số A, B, C hoặc D điền vào mỗi chỗ trống để hoàn thành đoạn văn sau: I come from Switzerland. I came to London six months (1)____to learn English. I haven't met many English people yet, only my teachers. I started learning English at school in Switzerland (2)____I was eleven, so I have learnt it for nearly ten years. At first in London, I couldn't understand anything, but now my English (3)____improved. I have just taken an exem. If I pass it, I (4)____into the next class. I'm excited today because my parents will come tomorrow to stay with me for a few days and I (5)____them for a long time. Thay have never been to Eangland and they can't speak English. 1. A. ago B. before C. last D. after 2. A. because B. that C. so D. when 3. A. were B. are C. is D. have been 4. A. moved B. will move C. could move D. would move 5. A. haven't seen B. didn't see C. don't see D. hasn't seen