Shortly after the accident, two___________ police were sent to the spot to keep order.
| A．dozens of | B．dozens | C．dozen of | D．dozen |
Why is he not allowed to stay here?, it’s his home．
| A．In all | B．After all | C．In other words | D．To be frank |
She is a diligent student, and all her spare time she hasstaying in the library．
| A．is spent | B．spent | C．to spend | D．to be spent |
I still remember how many years ago I last met her in the countryside．
| A．when it was | B．was it that | C．when was it | D．it was that |
His proposal is so idealistic that there are manydifficulties in putting it into practice．
| A．familiar | B．relative | C．practical | D．terrible |
As nobody here knows what is wrong with the machine, we send for an engineer to handle the problem．
| A．should | B．must | C．can | D．would |