Ответ:
1 с
2 b
3 b
4 a
5 d
6 c
7 a
8 c
9 a
10 c
11 c
13 a
12 b
13 a
2.
1) Your English is better now.
2) The Alps are the highest mountains in Europe.
3) It is one of the most important questions of our conference.
4) This magazine is more interesting than that one.
3.
1) Sometimes she comes to see us.
2) What are you doing? - I' m having a shower.
3) He does not like tomato soup.
4) Look! Nick and Kate are danceing.