Answer: A) Has a big dog.
Explanation for this question is being written.
Answer: C) . is / who.
Answer: A) Needs
Answer: A) Are/have
Answer: C) Whom is Helios talking to?
Answer: C) Are red.
Answer: A) I don't know who drinks coffee.
Answer: C) Does not enjoy working.
Answer: B) Gives
Answer: A) SPEAKS, WORKS.
Answer: A) Whoever will listen.
Answer: B) INCORRECT
Answer: A) Is so.
Answer: B) Is
Answer: C) The girl who plays the drums is my sister.
Answer: A) Train
Answer: C) C
Answer: C) The plants that live on that island may develop differently.
Answer: B) Were
Answer: A) Lives
Answer: A) A singular verb.
Answer: D) Are
Answer: B) Works
Answer: A) Is
Answer: C) Make it.
Answer: A) Are
Answer: C) Were