Answer: C) Will have been training.
Explanation for this question is being written.
Answer: A) Will have been dancing.
Answer: C) Future perfect continuous.
Answer: B) Will have been.
Answer: A) Will have been studying.
Answer: C) Will have been built.
Answer: B) The word 'has' should be 'have'.
Answer: B) Future Perfect Continuous.
Answer: A) Will have been working.
Answer: D) At 6 PM, Sarah will have been practicing for two hours.
Answer: D) Will have been.
Answer: C) Will have been working.
Answer: B) Will have been studying.
Answer: A) Will have been standing.
Answer: A) Repaired
Answer: A) Will you have been studying.
Answer: D) Will have been learning.
Answer: D) Will have been living.
Answer: C) Will have been living.
Answer: C) The relationship began three years earlier and continues.
Answer: A) Haven't finished / will have been working.
Answer: B) Been playing.
Answer: A) True
Answer: D) Will have been running.
Answer: A) Future Perfect Continuous.
Answer: D) Will you have been working.
Answer: A) Will have been practicing.
Answer: A) Duration of an activity leading up to a point in the future.
Answer: A) Will have been + verb+ing.
Answer: B) Will have had my pizza delivered.
Answer: D) Will have been travelling.
Answer: B) Will have been working.
Answer: B) Will have been staying.
Answer: D) Will have been studying.
Answer: A) Will have been playing.
Answer: C) Will have been studying.
Answer: A) Will not have been.
Answer: D) Will have been singing.
Answer: C) Continuous action + Future point of reference.
Answer: D) 67%
Answer: C) Subject + will have been + verb+ing.
Answer: D) Will have been sleeping.
Answer: A) I will have been studying.
Answer: B) Future perfect continuous.
Answer: C) Will have been playing.
Answer: A) Future prefect continuous tense.
Answer: C) Will have been waiting.
Answer: A) Future Perfect Continous Tense.
Answer: A) Will have been walking.
Answer: C) Will have been fishing.
Answer: C) Will have been relying.
Answer: C) By next year, I will have been living in this city for five years.
Answer: D) By next month, we will have been playing in our band for a year.