You can visit the whole world with much ease in case you learn English properly. (it compound)

• ক Learn English properly and you can visit the whole world with much ease. ✅ সঠিক উত্তর
• খ You could visit the whole world with much ease but you have to learn English properly.
• গ You can visit the whole world with much ease and you should learn English properly.
• ঘ When you learn English properly and then you could visit the whole world with much ease.