I WISH THAT I...IN HANOI AT THE END OF 1972 TO WITNESS THE "BA...

96. - 99 NHỮNG CẤU TRÚC THƯỜNG GẶP TRONG BÀI THI DAP AN
99 NHỮNG CẤU TRÚC THƯỜNG GẶP TRONG BÀI THI DAP AN
96. I wish that I...in Hanoi at the end of 1972 to witness the "Battle of Dien Bien Phu in the Air." a. was b. were c. had been d. has been