单项选择题

It ______ the city government five years to build up the water system.

A. took
B. spent
C. used
D. cost
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单项选择题
Which is ______ bridge, Golden Gate Bridge or London Bridge
A. longer
B. the longer
C. a longer
D. a long
单项选择题
He now felt ______ without his friend, the dog.
A. very more lonely
B. even more lonely
C. more still lonely
D. more far lonely
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