Some scientists believe that it won’t be long _______ robots are widely used in all walks of life．
| A．since | B．after | C．before | D．until |
She’s aiming ______a sholarship; That is why she has been focusing her minds_____her work..
| A．at; on | B．to; on | C．for ; in | D．at; into |
He thought the painting was of little______ so he gave it away to me.
| A．cost | B．value | C．expense | D．price |
After doing part-time jobs or a week, he got a______ position as office-boy.
| A．permanent | B．aggressive | C．universal | D．abstract. |
I've got all her records but I've never seen her_______.
| A．in the mood | B．in the flesh | C．in the movement | D．in the nature |
He walked along in the _____hoping no one would recognize him.
| A．shadow | B．shade | C．figure | D．light |