No one but the experts in this field can _____ the difference between them.
| A．recognize | B．speak | C．spot | D．predict |
In spite of his own safety, the boy, , jumped into the river to save the girl in the water.
| A．risked to be drowned | B．risked drowning |
| C．risking to be drowned | D．risking drowning |
She married an Australian man and became a (n) citizen of that country.
| A．automatic | B．permanent | C．contemporary | D．religious |
his homework, Little Tom has to stay in his room for another hour.
| A．Not finishing | B．Not having finished |
| C．Not finished | D．Having not finished |
you keep away from them, they won’t do you any harm.
| A．As long as | B．Even if | C．As far as | D．As if |
——What do you think of Mr. Stone?
——,he is a good man, but sometimes his bad temper is not easy to .
| A．As a result; get along |
| B．All in all; put up |
| C．Generally speaking; come about |
| D．On the whole; put up with |