-Are you sure you have to? It’s been so late. Make it another time?-I don’t know ________ I can do it if not now.
Looking up, I saw that some children _____ rags were looking at me silently as I ate.
I could stay for one or two days, but _____ staying for a week, it’s out of the question.
He found the manager _____ by letters and papers and _____ very worried.
According to the law, anyone who destroyed the forest will not _____ what he has done.
It’s not how much we do but how much love we put into what we do _____ benefits our work most.