Down ran an old man who was ______ convinced of the benefits of running, so he ran everyday.
In the dark street,there wasn’t a single person________she could turn for help.
The teacher came in ,________.
_______blood if you can and many lives will be saved.
二、单选I want an assistant with ___ knowledge of French and____experienceof office routine.
35. Don’t worry if you don’t understand everything, the teacher will __ the main points at the end.