问题
单项选择题
The project will ( ) the city's telephone network to cover 1 000 000 users.
A．extend
B．expand
C．lengthen
D．enlarge
答案
参考答案：B
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The project will ( ) the city's telephone network to cover 1 000 000 users.
A．extend
B．expand
C．lengthen
D．enlarge
参考答案：B