—What_________him to do such a silly thing?
—I have no idea.
| A．made | B．drove | C．brought | D．let |
It was ___creative thinking that I took the course, not to get high marks in exams.
| A．developing | B．to develop | C．developed | D．to have developed |
—The terrible accident is under investigation.
—Actually, quicker action _____ those workers trapped in the mine.
| A．might have saved | B．must have saved |
| C．need have saved | D．could have saved |
While we were listening to the speech attentively, a voice _____ to announce the result of the election.
| A．broke in | B．broke up | C．broke off | D．broke down |
many times, but he still didn’t understand it.
| A．Having been told | B．Though he was told |
| C．To have been told | D．He was told |
The little girl ________ to be a good singer if she gets good training in a music school.
| A．wishes | B．expects | C．promises | D．hopes |