Final answer:
The two sentences with italicized linking verbs are 'Gabriel is the new homecoming king for our school' and 'Steven has been practicing judo for a few years'.
Step-by-step explanation:
Linking verbs are verbs that connect the subject of a sentence to a noun or adjective that describes or identifies the subject. In the given sentences, the italicized verbs 'is' and 'has been' are both linking verbs.
'Gabriel is the new homecoming king for our school' and 'Steven has been practicing judo for a few years' both have italicized linking verbs.