I have been working hard ______ arithmetic?
- Upon
- In
- At
- On
Explanation
Usually the word Work is followed by preposition On.
I am working on this topic.
She is working on arithmetic.
He is working on a new project.
Related MCQs
- At
- Of
- In
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
