Our office building is about _____ high.
问题描述:
Our office building is about _____ high.
A)fifty-five metre
B)fifty-five metres
C)fifty-five-metre
D)fifty five metres
答
选择B
C选项只能用作定语,a fifty-five-metre high building
B选项可以这样用,is后面整体用作表语