Gladiators fought in ___ Colosseum. MCQ with Answer and Explanation

Explanation:
Inventions take the definite article 'the' when referred to generally.

Explanation:
'Make an effort' is a standard idiom.

Explanation:
If he went as a patient, British English uses no article (go to hospital). However, in Indian context, 'the hospital' is often used. But the standard rule: 'go to hospital' for treatment, no article. I'll go with no article.