Answer:
Step-by-step explanation:
In each of the given sentences, "is" is the verb and "covers" is the subject.
"One of the covers is missing." - "covers" is the subject.
"Only one of the formal followers remained loyal." - "followers" is the subject, but "one" is modifying it to specify the quantity.
"Which road will take me to the coast." - "road" is the subject.
"A desire to excel is commendable." - "desire" is the subject.
"Arrange the cards in alphabetical order." - "cards" is the subject.