He was sitting on a chair. It was uncomfortable. (using the relative pronoun)

Laura last wrote to her mother a month ago.

=> Laura hasn’t _______________________________.

She spends two hours (work) ______ part time at a supermarket near her house everyday.

Susan is very ______ of telling other people what to do.

The ______ of the people in our community with the government is very necessary. (cooperate)

I'd better do this exercise now because there might not be time later (case).

I haven’t seen her for two years (last).

He began working as a teacher two years ago 

=> He has _____________________.