In _________to being used in industry，laser can be applied to operations in the hospital.
| A．devotion | B．addition |
| C．application | D．Reception |
You can’t go out because it is a stormy night; , your homework hasn’t been done.
| A．moreover | B．however | C．nevertheless | D．therefore |
He makes it a essential to put some money aside each month.
| A．principal | B．principle | C．essential | D．discipline |
It’s wonderful to have a month in the faraway village, all worries and responsibilities.
| A．contrary to | B．free from | C．far away | D．far from |
There are some when you have to change your mind just before doing it.
| A．situations | B．occasions | C．circumstances | D．conditions |
He was a much older tennis player, but he had a (n) over other players in experience.
| A．profit | B．power | C．advantage | D．benefit |