1 - official; 2 - fluency; 3 - second; 4 - interpret; 5 - borrowed;
6 - would improve; 7 - would have; 8 - had; 9 - would travel; 10 - would apply;
11. Beginners of foreign language always meet difficulties at first.
12. I had to overcome these problems when I started learning English.
13. The pronunciation in English puzzles me a lot because the same letter has different sounds.
14. In order to have an accent just like the native speakers, I often listen to tapes and repeat
after them.
15. It took me a long time to learn how to master the tenses in English grammar.