1. 다음 중 생략할 수 없는 것은?
① This is the cake that I made for my brother.
②This is a group of about 10,000 volunteer doctors who help sick people everywhere.
③ The man whom I saw was Mr. Kim.
④ The man whom I met was my brother.
⑤ The dress which she is wearing is new. | 
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1:1문의
