Throughout the world__________advance has been made in science and technology is due to education which brings forth knowledge, creation and inventions.
If you carry on working like this, you will _____ sooner or later.
-What’s the old man standing there? -He is _____, a new comer.
-When ____ you return the dictionary to me?-Only when I ____ you next Sunday.
Charles did what he could _____ the servant, although he himself was in danger.
Let us hope we can settle the matter without _____ more trouble.