The country has already sent up three unmanned spacecraft, the most recent__at the end of last March.
| A．has been launched | B．having been launched |
| C．being launched | D．to be launched |
30. People ran out __________ as fire tore through the building.
| A．with vain | B．in rags | C．with one voice | D．with fear |
28. The people had to _______ the new rulers when they lost the war.
| A．take to | B．cater to | C．submit to | D．lead to |
27. People have become aware ______the fact that carbon dioxide, poison to the environment, contributes_____ air pollution.
| A．of, to | B．/, to | C．of, of | D．of, for |
26. Geldof intended the concert ________money for those suffering from the earthquake, which_______ 2000 lives.
| A．to maintain, claimed | B．to raise, claimed | C．to collect, killed | D．to raise, kill |
25. ----Do you enjoy your stay in here?
----Yes. A beautiful autumn day ___________ the wet summer we have had.
| A．became aware of | B．took advantage of | C．accounted for | D．compensated for |