题目内容
The swimming pool is ________.
| A.50-metre long | B.50 metres long |
| C.long 50 metres | D.long 50-metre |
B
50 metres long 只能作表语,而50-metre只能作定语。故选B
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题目内容
| A.50-metre long | B.50 metres long |
| C.long 50 metres | D.long 50-metre |