Answer: B) Had / been.
Explanation for this question is being written.
Answer: A) Had + Subject + Verb-ed (for irregular verbs, we use the Past Participle).
Answer: A) Had + S + V pp + C +?
Answer: C) Had
Answer: B) Had you worn.
Answer: C) Had you had.
Answer: A) True
Answer: B) No, they hadn't.
Answer: C) Had they created.
Answer: D) Had your daughter finished.
Answer: C) Had + subject + past participle?
Answer: C) Had he come before you did?
Answer: A) Had
Answer: A) Had, arrived.
Answer: A) Had you had / we had finished.
Answer: D) Had he completed the task before the deadline?
Answer: C) Hadn't they.
Answer: B) Had you seen.
Answer: D) Had-checked
Answer: B) Hadn't I?
Answer: A) Had she had.
Answer: A) Had + Subject + V.3.
Answer: C) Had you left.
Answer: D) Had she finished her homework before dinner?
Answer: A) Had they prepared.
Answer: C) Had you seen that movie?
Answer: C) Had you switched off.
Answer: B) He had been.
Answer: A) Hadn't she?
Answer: C) Had you finished your homework before dinner?
Answer: C) Hadn't forgotten.
Answer: B) Hadn't practiced.
Answer: B) Hadn't been.
Answer: D) Hadn't seen.
Answer: A) Had not met.
Answer: D) Hadn't eaten.
Answer: B) She hadn't lived in Manchester before.
Answer: A) Had not painted.
Answer: A) Hadn't
Answer: C) Had / seen.
Answer: B) Had never been.
Answer: C) Had not stopped.
Answer: D) Past perfect.
Answer: A) Had not.
Answer: A) HAD NOT.
Answer: D) She hadn't watered them.
Answer: A) He had not gone to the store.
Answer: B) Had been delivered.
Answer: D) Had not been.
Answer: A) Had not been.
Answer: A) Had already gone home.
Answer: A) Hadn't seen.
Answer: A) Had not seen.
Answer: A) Hadn't finished.