29. The moment we heard of the accident, we____the work to rescue those trapped in the mine.
| A．set off | B．set down | C．set back | D．set about |
.
―Did you hear the news this morning?
―Oh, yes, ________ was announced on the radio has caused great excitement among pupils.
| A．that | B．what | C．something | D．all what |
.
It was with great courage ______ the boy told the truth _______ he had stolen the money.
| A．which; that | B．when; what | C．as; that | D．that; that |
.
________ as one, the people of that country eventually drove the invaders (侵略者)out of their country.
| A．Linked | B．Combined | C．Joined | D．United |
.
Allow children the space to express their opinions ________ they are different from your own.
| A．until | B．even if | C．unless | D．before |
.
Thousands of athletes______ in many countries will compete _______ medals in the 2008 Olympic Games in Beijing.
| A．involved; in | B．involving; by |
| C．to involve; against | D．involved; for |