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질문 내용에 적절한 질문 제목을 정해 주세요.
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질문할 때 예의를 지키시기 바랍니다.(빨리... 고수분만..... 이런 식의 요구는 자제해 주세요.)

질문 내용 :
Using this incident as a turning point, the government must take ㉠action to solve the problem of illegal parking in back alleys of residential areas. ㉡Unless we take strong measures against illegal parking, ㉢as they ㉣do in Japan and in the U.S.A., the war of parking on the streets will remain a vicious cycle and trouble for all of us. No one knows who will be the next victim.

1. 밑줄 친 ㉢과 같은 용법으로 쓰인 것을 고르시오.
① My father cut down on salty food as I had advised.
② She sang as she walked.
③ As I was tired, I soon fell asleep.
④ Pretty as the flower is, It has many thorns.
⑤ He was a foreigner, as I knew from his accent.

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