Choose the correct preposition: Who knocked ______ the door?
- To
- On
- At
- In
Explanation
The correct phrase is "knocked at the door."
The preposition "at" indicates a location or position in such expressions.
Related MCQs
- About
- With
- On
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
- For
- To
- With
- None of these