WHERE (BE) _________, ANN

71. - DE THI THU DAI HOC MON ANH VA DAP AN
DE THI THU DAI HOC MON ANH VA DAP AN
71. Where (be) _________, Ann? I (try) _________ to get on to you for the last half hour. (You not leave) ___________ your office at 5.00?A. are you; had tried; Didn’t you leave B. were you; tried; won’t you leaveC. had you been; had tried; Hadn’t you leave D. have you been; have been trying, Didn’t you leave