问题
选择题
They will build ___ bridge over the river.
A．a 800-metres-long
B．an 800-metre-long
C．a 800-metre-long
D．an 800-metres-long
答案
答案：B
搜题请搜索小程序“爱下问搜题”
They will build ___ bridge over the river.
A．a 800-metres-long
B．an 800-metre-long
C．a 800-metre-long
D．an 800-metres-long
答案：B