Final answer:
The sentence 'We have been working in that office for four weeks now' translates into Spanish as 'Hemos estado trabajando en esa oficina durante cuatro semanas ahora'.
Step-by-step explanation:
To translate 'We have been working in that office for four weeks now' into Spanish, you would say 'Hemos estado trabajando en esa oficina durante cuatro semanas ahora'. The verb 'have been working' translates to 'hemos estado trabajando', 'in that office' is 'en esa oficina', and 'for four weeks now' translates to 'durante cuatro semanas ahora'.
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