A. have been learning B. has been learning C. had been learning D. has learning
A. are you look B. are you looking C. have you been looking D. do you look
A. did she go B. she has gone C. has she been going D. has she gone
A. How many books have you written? B. How many books have you been writing? C. How long have you writing books? D. How many books did you write?
A. arrested B. has arrested C. was arresting D. arrest
A. Somebody has taken it. B. Somebody had taken it. C. Somebody took it. D. Somebody has been taking it.
A. I have been dreaming B. I had been dreaming C. I have dreamed D. I had dreamed
A. has left B. has been leaving C. left D. was left
A. She went out B. She has gone out C. She had gone out D. She had been going out.
A. We have travelled B. We have been travelling C. We had travelled D. We had been travelling