Ответ:
Task 1.
1 - C; 2 - E; 3 - D; 4 - F; 5 - B; 6 - A.
Task 2.
1. educational
2. seconds
3. new
4. fantastic
5. touching
6. excitement
Лишние: culture, close.
Task 3.
1. knitting
2. Swimming
3. getting
4. speaking
5. meeting
6. talking
Task 4.
1. Did you see a guy who stole my bike?
2. The store where we always buy vegetable will be closed soon.
3. I don't like the woman who married my brother.
4. Adam said a word which I did not understand.
5. Do you remember Bill, whose dog bit you?
6. I don't like people who cheat all the time.