IF YOU __________ THE PRESIDENT, WHAT WOULD YOU DO TO HELP THE ENVI...

4 . - DE DAP AN KIEM TRA 1 TIET LAN ANH 8 SACH MOI
DE DAP AN KIEM TRA 1 TIET LAN ANH 8 SACH MOI

4 .If you __________ the president, what would you do to help the environment ?

A.are

B.had been C.were

D.was