Ответ:

1. Don't run!

2. Have a sandwich!

3. Have waterproof clothes!

4. Don't swim in the river. It's dangerous!

5. Be quiet! Don't talk!

Объяснение:

2.

1. My grandparents are going to travel to Brazil.

2. I am going to use a rope.

3. Jacek is going to climb any trees.

4. Are they going to see any animals?

5. No, they are not.

3.

1. It's usually very hot in summer.

2. Take an umbrella! It's very rainy!

3. There's a big, grey cloud in the sky.

4. There isn't much sun in winter. It's very dark!

5. Be careful!  The streets are icy today. Walk slowly!