A. WAS PHONING B. HAVE PHONED C. HAD PHONED D. PHONED

49. - DE THI THU TOT NGHIEP CUC HAY CO DAP AN
Tiếng Anh DE THI THU TOT NGHIEP CUC HAY CO DAP AN

49. A. was phoning

B. have phoned

C. had phoned

D. phoned