29-year-old Yicheng mayor named ZhouSenfeng was__________ by a great many netizens that he had copied someone else’papers

从词类活用的角度，选出与其他三项不同的一项（ ）

He ________ his post because he had been offered a better job．.[ ]

What do you think of the math problem — It’s very hard and nobody has_______.

The dress fits(合身) me well,_______ I don’t want to buy it because it’s too expensive.