单项选择题

The Xinjiang Airlines serve passengers and customers in the southeast of China only.

A．serves
B．to serve
C．serving
D．service
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单项选择题
Scarecely had the van turned the corner than the mirror came off.
A．No more
B．No sooner
C．Not any
D．No longer
单项选择题
The recent conference on the effective use of the seas and oceans was another attempt resolving major differences among countries with conflicting interests.
A．resolve
B．resolves
C．to resolve
D．being resolved
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