问题
选择题
The swimming pool is ________.
A．50-metre long
B．50 metres long
C．long 50 metres
D．long 50-metre
答案
答案：B
50 metres long 只能作表语，而50-metre只能作定语。故选B
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The swimming pool is ________.
A．50-metre long
B．50 metres long
C．long 50 metres
D．long 50-metre
答案：B
50 metres long 只能作表语，而50-metre只能作定语。故选B
