Answer:
or
Explanation: a linking verb is like an equal sign so you would look in the sentence for things that seem like an equal sign
The dog seems really ill: he won't eat or drink anything at all.
seem is at the beginning of the sentence therefore it cant be it
won't cant be it either because its still at the beginning of it and yo can see its an main part of the sentence
or links the end to the beginning of the sentence therefore its correct
