—Where have you _____ all day? —I came back at noon and I ____ in this room ever since.
A.gone; had been | B.gone; was |
C.been; have been | D.been; am |
—Where have you _____ all day? —I came back at noon and I ____ in this room ever since.
A.gone; had been | B.gone; was |
C.been; have been | D.been; am |