Choose the right word to fill the blank : I should appreciate it if you could complete this work __Thursday.

A till

B untill

C up to

D by

Correct Answer: Option D

- নির্ধারিত সময়ের মধ্যে কোন কাজ সম্পন্ন করা বুঝালে by বসে ।
- I should appreciate it if you could complete this work by Thursday.