Dreams might mean nothing，________ new research finds many people in at least three countries believe dreams contain important ________ truths.
| A．and ；hidden |
| B．but；hidden |
| C．and ； hiding |
| D．but ； hiding |
Mr. Smith gradually _____ a knowledge of the subject.
| A．attained | B．achieved | C．required | D．acquired |
His new appointment takes _____ from the beginning of next month.
| A．place | B．effect | C．post | D．office |
It was a great _____ for him to be pleasant to people he didn't like.
| A．attempt | B．trouble | C．power | D．effort |
He has impressed his employers considerably and _____ he is soon to be promoted.
| A．eventually | B．yet | C．finally | D．accordingly |
The managing director took the _____ for the accident, although it was not really his fault.
| A．guilt | B．charge | C．blame | D．account |