Question

QUESTION 1

Answer 1

Answer:

The soft snow swirled in circles around the subway stairs. - Consonance

The bells went silent when the king fell dead. - Assonance

I always told you the truth/still you demanded proof. - Slant rhyme

If half of them laugh, then the fun infects the rest. - Alliteration

Waiting for the night to end/waiting for a friend/waiting for that morning light. - Repetition

Explanation:

Repetition is something which is being already written and said is repeated. In other words, it refers to the repetition or recurrence of events and actions.

Assonance refer to the sound between syllables of words which resembles with each other nearly. It doesn't rise from consonants but from the rhyming of two or more stressed vowels.

Alliteration is a literary device which is used by the writer to emphasize something that he/she wants to express. To spot an alliteration, it begins with the same consonant sound.  

Consonance is the repetition of the consonant sound. In contrary to alliteration it involves just the sound of consonants

Slant rhyme is rhyme wherein the words are similar, however the not with identical sounds.

Answer 2

Repetition: Waiting for the night to end/waiting for a friend/waiting for that morning light. "Waiting for" is being repeated.
Alliteration: The soft snow swirled in circles around the subway stairs. The "sss" sound is being repeated.

I'm not sure about the others, but I hope this helps. :)