After half a year’s training, they were made entirely used ____ underwater.
| A．stay | B．to stay | C．to staying | D．staying |
A great person is always putting others’ interests _________ his own.
| A．below | B．above | C．in | D．on |
You’d sound a lot more polite if you make a request ______ a question.
| A．in search of | B．in the form of |
| C．in need of | D．in the direction of |
Modern equipment and no smoking are two of the things I like ____ working here.
| A．with | B．over | C．at | D．about |
Let’s learn to use the problem we are facing a stepping-stone to future success.
| A．to | B．for | C．as | D．by |
I like Mr. Miner’s speech; it was clear and the point.
| A．at | B．on | C．to | D．of |