Tìm lỗi sai và sửa:The major advantage of the unibody design is (A) that it makes (B) it more easy (C) to protect passengers from (D) on-road crashes. ; A vehicle frame and body join (A) together on (B) the assembly line to keep (C) up with the torrid pace of style in (D) the factory

Các anh/cj cho em hỏi câu này sai ở đâu ạ? giải thích và cho biết nó thuộc phần ngữ pháp nào ạ?
1.The major advantage of the unibody design is (A) that it makes (B) it more easy (C) to protect passengers from (D) on-road crashes.
2. A vehicle frame and body join (A) together on (B) the assembly line to keep (C) up with the torrid pace of style in (D) the factory.