Answer:
1 the speaker emotions
2 This is a forecasting of the line about solitude. A cloud high in the sky is a symbol of solitude and possible being lonely.
3 people dance when they are happy. dancing is usually an expression of joy and happiness. The poem says that the dancing flowers outdid the even the waves in glee. Glee expresses happiness. The poem goes on to say that poet could not help but also be happy in the company of the dancing flowers.
* The last stanza summarizing the poem.. The line about solitude echoes the the beginning of the simile of a lonely cloud. The inward eye reflects the memory of the joy and beauty seen in the dancing daffodils. The line about not realizing the wealth brought by the image is brought to meaning in the last stanza. The line about bliss repeats that lines about the Poet being gay because his sharing of the beauty of the flowers.
Explanation: