They were waiting _____ the station _____ twenty minutes.
- Of - at
- At - for
- In - UpTo
- None of these
Explanation
"At the station": Indicates the location where they waited.
"For twenty minutes": Specifies the duration of waiting.
Use "at" for general locations (e.g., at the park, at home).
Use "for" to indicate duration (e.g., for hours, for days).
Related MCQs
- Preposition phrase
- Noun phrase
- Adjective phrase
- None of these