Only when___________ according to the directions can the medicine be quite effective.
In no case ______ allowed to go on.
He left Europe _____ World war II broke out.
______ the poem a second time, the meaning will become clearer to you.
Vicky, _____ born in China, lived and practiced law in public.
If It had been possible, I would have helped him, but I ______ too busy the.