I don’t think it is __________taking the trouble to explain the question to him.

I’m supremely fortunate my parents gave me anupbringing _______ prepared me for the life most of us must now live.

_________ isunknown to us all.

The book A Short Guide to Great Britain , which you sent me before I went abroad , offered me ______ guide.I am really thankful.

There _____ a printer and six sheets of paper on the desk. [ ]