1.

1. already
2. still
3. only
4. once

2.

1. took
2. threw
3. sent
4. put

3.

1. impossible
2. difficult
3. stressful
4. hopeless

4.

1. decisions
2. experience
3. ambitions
4. beliefs

5.

1. suggests
2. promises
3. seems
4. requires

6.

1. something
2. anything
3. nothing
4. everything

7.

1. Surprisingly
2. Immediately
3. Naturally
4. Certainly

8.

1. touched
2. astonished
3. attracted
4. warned

9.

1. quiet
2. calm
3. relaxed
4. happy

10.

1. doubt
2. wonder
3. know
4. guess

(Reference keys.)