Select all that apply. For the evidence and context stated in each sentence, which sentences correctly describe an outcome as possible rather than certain?
A spare key could be inside the caretaker's unusually cluttered desk.✓Respuesta correcta
The fabric might to turn paler after several months in direct sunlight.
Evening mist may delay the final descent from the plateau.✓Respuesta correcta
The rover could not to reach the crater tomorrow, although engineers say the route remains feasible.
Explicación
The spare key and evening mist remain open possibilities expressed with could and may followed by standard complements. Might to turn and could not to reach insert to after a core modal, so those two sentences are structurally invalid regardless of likelihood.