Exercise 1.

1. across

2. up

3. over

4. into

5. in

6. off

Exercise 2.

1. pole

2. lake

3. forest

4. valley

5. desert

6. ocean

Ответ:

1) up

2)off (не уверена)

3) though

4)up

5)though

6) down

Объяснение: