51.

1. way
2. pattern
3. method
4. track

52.

1. sleepy
2. happy
3. awake
4. sad

53.

1. for
2. lest
3. besides
4. except

54.

1. even
2. merely
3. indeed
4. rather

55.

1. offended
2. uninterested
3. frustrated
4. isolated

56.

1. here
2. there
3. back
4. away

57.

1. the same as
2. different from
3. similar to
4. familiar with

58.

1. situation
2. condition
3. reflection
4. position

59.

1. in
2. at
3. within
4. into

60.

1. unwritten
2. written
3. spoken
4. secret

(Reference keys.)