Identify the correct verb form to complete the following sentence:
"The team _______ working on the project for several months when they finally reached a breakthrough."
Ⓐ have been
Ⓑ are been
Ⓒ had been
Ⓓ were been
Ⓔ has been
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Mostrando postagens com marcador Past perfect. Mostrar todas as postagens
Mostrando postagens com marcador Past perfect. Mostrar todas as postagens
11 de maio de 2025
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