单项选择题

Not until the 1980's ______ in Beijing start to find ways to preserve historic buildings from destruction.

A．some concerned citizens
B．some concerning citizens
C．did some concerning citizens
D．did some concerned citizens
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单项选择题
______ we wish him prosperous, we have objections to his ways of obtaining wealth.
A．Much as
B．As much
C．More as
D．As well as
单项选择题
The team leader of mountain climbers marked out ______.
A．that seemed to be the best route
B．what seemed to he the best route
C．which seemed to he the best route
D．something that to be the best route
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