Ответ:
1) It’s very dark outside. Turn on the light.
2) Kate is afraid of darkness.
3) What is the width of this road?
4) The sleeves of this jacket are too long, you need to shorten them.
5) What is the length of the Volga?
6) This rope is very lengthy.
7) Do you know the depth of the Baikal?
8) This snake is very dangerous.
9) If you don’t follow the rules this may dangers your life.
10) The environment is suffer from air, water and soil pollution.
11) Don’t swim here. The river is very polluted.