_______ MORE CAREFULLY, HE WOULD NOT HAVE HAD THE ACCIDENT YESTERDA...

20. - KT TAP TRUNG 12 DE DAP AN TIENG ANH
Tiếng Anh KT TAP TRUNG 12 DE DAP AN TIENG ANH
20._______ more carefully, he would not have had the accident yesterday:a. If Peter driven b. If had Peter driven c. Had Peter driven d. Unless Peter had driven