. ---Here you go. There are______ such cards here.
--- I only need ______ these cards in the box.
| A．five dozens; one dozen | B．five dozens of; one dozen of |
| C．five dozen ; one dozen | D．dozens of ; one dozen of |
Persons under 16 ______ not be employed in our country．
| A．shall | B．can | C．may | D．will |
Selecting a proper personal computer is no easy task because technology _____ so rapidly.
A will change B will have changed C is changing D has changed
You’d better give the task to _____ can finish it ahead of time.
| A．whomever | B．whoever | C．anyone | D．no matter who |
Is this the department______?
A where he works in B in which he works C which he works D for which he works
Plastics and other similar rubbish that does not ______ may not be thrown into the sea anywhere.
| A．break down | B．break away | C．break off | D．break through |