THEY BURRIED THOUSANDS OF FISH ……… BY POISONOUS CHEMICALS FROM A N...

18/ - GIÁN ÁN KIEM TRA HOC 1 TIET
GIÁN ÁN KIEM TRA HOC 1 TIET
18/ They burried thousands of fish ……… by poisonous chemicals from a nearby factory.a. to kill b. killing c. which kill d. killedRewrite the following sentences as directed in parentheses.