Answer: D) The sentence is correct.
Explanation for this question is being written.
Answer: A) T
Answer: C) Has been raining.
Answer: A) Been working.
Answer: D) Has been working.
Answer: A) Have been living.
Answer: A) How long have you been studying?
Answer: B) We have been waiting for the bus for an hour.
Answer: B) Have been living.
Answer: C) Have been.
Answer: C) Has been working.
Answer: D) I have been washing the car.
Answer: B) Have been working.
Answer: A) Been talking.
Answer: C) Have you known.
Answer: D) She has been studying English since last year.
Answer: C) Have been helping.
Answer: D) Have you been teaching your brother?
Answer: A) Has been reviewing.
Answer: A) Has been waiting.
Answer: B) She has been a vampire since January.
Answer: A) Have been looking.
Answer: A) Been watching.
Answer: C) Has been looking.
Answer: B) Has been.
Answer: C) Have been playing.
Answer: A) Dreaming
Answer: B) Has been working.
Answer: A) Has been.
Answer: A) Have been producing.
Answer: A) Have been studying.
Answer: D) Have been living.
Answer: D) Has been.
Answer: A) Has been looking.
Answer: D) Have been studying.
Answer: C) Has been learning.
Answer: A) Have been reading.
Answer: B) Has been saying.
Answer: A) Have you been doing.
Answer: A) Present perfect continuous tense.
Answer: A) Have been-met.
Answer: A) Hasn't been waiting.
Answer: B) Haven't been sleeping.
Answer: C) He hasn't had his eyes tested for ten months.
Answer: C) Has been.
Answer: A) Have you been.
Answer: C) Has been shopping.
Answer: C) She's/has been listening to the same song all day.
Answer: A) Have been looking/haven't found.
Answer: C) Have you been waiting.
Answer: C) Have been watching.
Answer: A) Writing
Answer: B) Have you been working.
Answer: B) Has been crying.
Answer: A) I have been studying English since 2015.
Answer: B) Have been waiting.
Answer: A) She has been studying since last night.