640.
With no central government，the island was ruled by kings，____ a different region of the country．
A．each controlling B．each controlled
C．each to control D．each was controlling
答案 A
641.
Joined by their Mends，Troy and Gabriella staged a musical heir experiences，hopes and fears about the future．
A.reflecting B．reflected C．being reflected D．having reflected
答案 A
642.
___________ that the government can lead them out of the financial crisis, people are
optimistic about the future of the country.
A. Convincing B. Convinced C. To convince D. Having convinced
答案 B
