He got ___his illness in two weeks— (১৮তম শিক্ষক নিবন্ধন স্কুল: ২০২৪)

The correct answer is option (d) "over." The phrasal verb 'get over' means to recover from an illness, shock, or difficult experience. Example: 'It took her months to get over the flu.' ✗ 'Get on' = to progress or board a vehicle. ✗ 'Get by' = to manage with limited resources. Other uses of 'get over': to get over a heartbreak, to get over a loss. Source: Oxford Phrasal Verbs Dictionary.