HAVING BEEN ASKED TO SPEAK AT THE CONFERENCE, __________________...

76. - DE THI THU DAI HOC MON ANH VA DAP AN
Tiếng Anh DE THI THU DAI HOC MON ANH VA DAP AN
76. Having been asked to speak at the conference, ________________________.A. some notes were prepared for Dr. Clark B. some notes were prepared by Dr. Clark C. Dr. Clark prepared some notes. D. audiences were pleased to hear Dr. Clark.