—Did you see the CEO in his office?—Yes,he _________ by the journalist from BBC.A.has been interviewed B.is being interviewedC.had been interviewed D.was being interviewed
I admired my classmate Lisa very much. ______ her prettiness, she was smart and helpful.
_______ about wild plants that they decided to make a trip to Madagascar for further research.
My father has worked for 20 years in the field of medicine, so he has_______ a huge amount of experience.
My grandfather is always thinking for others. In other words, he is always ____.
_______caused the accident is still a complete mystery.