A warning printed on a makeshift lifebuoy says15/20A warning printed on a makeshift lifebuoy says: “This is not a life-saving device. Children should be accompany by their parents.” (A) Printed(B) Makeshift lifebuoy(C) Device(D) AccompanyGiải thíchĐáp án D => accompanied Cấu trúc câu bị động Be + PII + be sb/st