Task 2. Choose the correct options. Выбрать правильный модальный глагол.

1 The mountains are popular because people can / must ski and climb there.
2 You can’t / mustn’t do mountain sports alone.
3 You should / can’t check the weather before you go into the mountains.
4 People must / shouldn’t go on the snow when there’s a danger of avalanches.
5 If you are buried in an avalanche, you mustn’t / can’t climb out. The snow is too heavy.
6 Someone must / can find you under the snow very quickly, or you will die