Respuesta :
The answer would be 1. The steelworks have closed down.
2 doesn’t work because it would be “this is his work.” 3 doesn’t work because it would be “a lot of assignments” and 4 doesn’t work because it would be “homework” instead of “homeworks”
2 doesn’t work because it would be “this is his work.” 3 doesn’t work because it would be “a lot of assignments” and 4 doesn’t work because it would be “homework” instead of “homeworks”