I think it’s well worth ______ our best to learn a second language well.

A decision has been made _______ the new school building be built next month.

I failed in the driving test–Don’t be so disappointed., you’ll have one more chance of trying it

Considering that she did her work ______ her manager had instructed, it was not proper to criticize her

–Will you ______me ____out this problemmyself—OK.