i tried to keep my mind calmly.는 calmly가 calm으로 바뀌어야 하는거 아닌가요?

i kept my eyes focused on him. 에서는 focused가 focusing으로 바뀌어야하나요?그리고 문장 다섯개 중에 잘못된 문장 찾는건데요

the web has been a new vehicle for advertising.

the city was famous for its traffic jams long time.

people of all races and religions should be treated equally.

countries trade with neighboring countries for mutual advantage.

the newly released product has attracted attention from customers.

두번째 문장이 fomous가 infamous나 notorious로 바뀌어야 되는거 아닐까요?
그래서 두번째가 잘못된 문장인 줄 알았는데
답은 마지막 문장이 틀렸다고 하는데ㅠ

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