______ over and over again, but he still couldn’t understand.
| A．Having explained | B．Having been explained |
| C．Explaining | D．It had been explained |
123. I know you don't like that guy (家伙) , but you could make a(n) ____to be polite.
| A．try | B．effort | C．hard | D．Effect |
124. Albert Einstein had a great _____ upon science and technology last century.
| A．effect | B．affect | C．effort | D．Afford |
125. The old man is quite able to take care of himself, he has seen the elephant. The underlined part means _____.
| A．The old man knows the elephant. | B．The old man once saw the elephant. |
| C．The old man can take care of the elephant. | D．The old man is full of experience. |
126. Mary doesn’t want to hear such a thing. If you say it again, you will make _____ of her.
| A．an enemy | B．a friend | C．a hater | D．a comrade |
127. Young people usually have more energy than the old. The underlined word probably means _____.
| A．power | B．trouble | C．force | D．Spirit |