Question

They worked in a hospital last year.(改为否定句)

Answer 1

They didn't work in a hospital last year.

Answer 2

答案： 【They didn't work in a hospital last year.】

他们去年没有在医院工作.

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Answer 3

为你解答。
They worked in a hospital last year.(改为否定句)
They didn't work in the hospital last year.
去年他们不在这所医院工作。