been living in the United States fortwenty years, but seldom _____ so lonely as now

— How are you getting on with your work?— Oh, I am sorry Things aren’t going so well as _____ [ ]

It is important that we _______with all that _______ in the struggle

Must I return the book by the end of next month?–. You can keep it as long as you like.

Jenny will visit me if he____________ here.