Shortly after the accident, two___________ police were sent to the spot to keep order.
| A．dozens of | B．dozens | C．dozen of | D．dozen |
We shouldn’t spend our money testing so many people, most of ____ are healthy.
| A．that | B．which | C．what | D．whom |
I won’t see the film tonight. I am busy. ______, it is raining cats and dogs.
| A．Beside | B．However | C．Besides | D．As well as |
Computersin offices and homes since 1970s．
| A．have been used | B．had been used | C．was | D．has been used |
More attention must be paid the endangered animals..
| A．protect | B．to protect | C．to protecting | D．protecting |
She doesn’t like the way _______ you speak to her.
| A．to | B．in that | C．how | D．in which |