Choose the appropriate preposition for the blank space You must back ___ your essay with good examples.
- over
- upon
- up
- down
Explanation
Back up means to support.
Backup means سہارا دینا
Related MCQs
- About
- With
- On
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
- For
- To
- With
- None of these