Answer: C) Had been working.
Explanation for this question is being written.
Answer: B) Past Perfect Progressive.
Answer: A) Had been working.
Answer: C) Hadn't been feeling.
Answer: C) Had been cooking.
Answer: A) True
Answer: C) Had been installed.
Answer: B) Had been taking.
Answer: B) Had been living.
Answer: D) Had-been waiting.
Answer: C) Had not been feeling, visited.
Answer: A) Had been trying.
Answer: D) Had; been visiting.
Answer: B) Had been playing.
Answer: A) Past Perfect Continuous stresses duration, not just completion.
Answer: D) Had been learning.
Answer: A) Had, been living.
Answer: C) Had been looking.
Answer: A) Past Perfect Continuous.
Answer: C) Had been raining.
Answer: B) Had been staying.
Answer: B) Had been + verb-ing.
Answer: C) Had been running.
Answer: A) Had-been doing.
Answer: D) Had been working.
Answer: B) Had been going.
Answer: B) Had been working.
Answer: A) Had been married.
Answer: B) They moved to California after living in New York for five years.
Answer: D) Had been playing.
Answer: C) Hadn't been.
Answer: A) Had been waiting.
Answer: D) Had been studying.
Answer: C) Had been waiting.
Answer: C) Had, been.
Answer: D) Had been living.
Answer: B) She had been dancing when I saw her.
Answer: D) None
Answer: A) Past Perfect continuous.
Answer: B) Had been losing.
Answer: A) Had been teaching.
Answer: B) Had-been applying.
Answer: C) Had been studying.
Answer: D) Had been sleeping.
Answer: A) Perfect Tenses.
Answer: A) Past perfect progressive.
Answer: C) Had been typing.
Answer: A) Had been eating.
Answer: A) Past perfect continuous.
Answer: B) Had been watching.
Answer: A) Had been stopping.
Answer: C) Had been cleaning.
Answer: D) She had been studying for hours before the exam started.
Answer: D) D
Answer: B) Had been being spun.
Answer: C) Had been blowing.
Answer: B) Past Perfect Continuous.