the answer is
to....breath
"required him <em>to</em><em> </em>hold his <em>breath</em><em> </em>for three minutes"
The answer is C. <span>Prospero has promised to set Ariel free if the good spirit does what Prospero says.</span>
Try B that’s what I think
Either the Fishers or their daughter has seen the house for sale.
With the correlative conjunction either-or we decide the subject-verb agreement by the closest noun to the verb, in this arrangement, the noun daughter is closest to the verb to see, singular pronoun <em>she</em> is agreeing <em>with has seen</em>.
Other similar examples:
Either Susanna or <em>her children are going</em> shopping for Christmas this Sunday.
Either his brothers or David has broken the granny's porcelain vase.
