Which sentence contains an error in the can-could-be able to ability contrast?
Mina can tune the harpsichord without electronic equipment.
From the ridge, we could see both valleys through the morning mist.
With the replacement lens, the telescope will can photograph fainter stars.✓الإجابة الصحيحة
Although the lid was loose, Dev could not open the damaged container.
الشرح
The telescope sentence is wrong because a future auxiliary cannot be followed directly by another core modal. Be able to is needed after will, whereas the other sentences use present ability, past perception and past inability appropriately.