AT FIRST TOM INSISTED HE WAS RIGHT, BUT THEN BEGAN TO_____________...

31. - DE ANH THI HSG QUOC GIA2013 KEM DAP AN
Tiếng Anh DE ANH THI HSG QUOC GIA2013 KEM DAP AN
31. At first Tom insisted he was right, but then began to_____________.A. back down B. follow up C. drop off D. break up