I wrote a whole summary ,but it somehow got deleted, I'll just give you the answer: B.
Unrhymed<span> poetry, usually in </span>iambic pentameter<span> measure, is </span>known as<span> blank verse</span>
Answer:
to devote or give time to
Explanation:
she is willing to devote ten hours each week
The sentence that contains a boldface infinitive is D. Lisa wants TO GO.
It is easy to spot an infinitive - it is usually a combination of the word TO plus a verb.
A and C are incorrect because those are not infinitives, but rather prepositional phrases. B is incorrect because it is an infinitival phrase, rather than a single infinitive.