Answer:
D. The boys are afraid of Ralph hurting them
Explanation:
Answer : unless she is ill
The adverb clause of the sentence above is "unless she is ill". It can be recalled that an adverb clause is composed of a subject and connected by a subordinating conjunction. In this case, the subordinating conjunction is unless and this conjunction keeps the clause from expressing a complete thought. The adverb clause "unless she is ill" also answers the wh question "When will Mary comes to school?", making it the correct adverb phrase.
Signs of war which showed him how evil the ring was
