It was so urgent that we have to finish it in ______.
He tried his best to solve the problem, _______difficult it was.
This film_________ the scenes of my childhood.
—Do you think playing cards is beneficial to our study?—No,if ________,it can help us kill time when we have nothing to do.
I feel sure that ________ qualification,ability and experience,you are abundantly suited to the position we have in mind.
The time he has devoted in the past ten years ________ the disabled is now considered ________ of great value.