I need answers for chapter 17 sentence check 2 and final check

Chapter 17 Sentence Check 2

1. The professor's lecture was so _______ that I had difficulty following it.

Erudite

2. The _______ of the storm was so loud that it woke me up.

Cacophony

3. The _______ of the crowd was so great that it was hard to hear the speaker.

Din

4. The _______ of the music was so soothing that it put me to sleep.

Lullaby

Final Check

1. The professor's lecture was so erudite that I had difficulty following it.

2. The cacophony of the storm was so loud that it woke me up.

3. The din of the crowd was so great that it was hard to hear the speaker.

4. The lullaby of the music was so soothing that it put me to sleep.