We are striving for the betterment of our services.

The former is my friend, and the latter is my colleague.

The precondition to start this project is that everyone agrees.

My car needs repair.

Just before the exam, he started studying hard.

Students from all over the country will participate in this contest.

This product is popular nationwide.

Please infer the content of the blank from the context before and after the sentence.

It's my role to manage the entirety of this project.

He was diagnosed with liver failure.