Answer: A) The text that we studied was difficult.
Explanation for this question is being written.
Answer: B) Which
Answer: B) Who
Answer: B) When
Answer: A) Whose father had passed away.
Answer: A) That
Answer: C) Whose
Answer: C) Which
Answer: A) I booked the first holiday I found which was in Florence.
Answer: B) That
Answer: A) Which
Answer: A) The restaurant, which serves Italian food, is located downtown.
Answer: B) False
Answer: D) When
Answer: B) Heavier
Answer: A) The woman whom I was dancing with stepped on my toe.
Answer: C) Which is/ that is.
Answer: B) Obtaining success.
Answer: A) Defining Relative Clause.
Answer: A) Which was sleeping.
Answer: C) That prays together.
Answer: B) That lives in Australia.
Answer: A) , which.
Answer: A) Adjective clause.
Answer: A) Where
Answer: A) Defining
Answer: C) Who
Answer: B) Whose brand we don't know.
Answer: C) When
Answer: B) With
Answer: A) Whose
Answer: A) True
Answer: B) Relative pronoun.
Answer: B) I would prefer a roomate has a good sense of humor.
Answer: C) C
Answer: C) That's the teacher to that you spoke yesterday.
Answer: D) Which
Answer: A) Neighbor / who grows sunflowers.