题目内容
-- What are the workers doing?
-- They are building a ________ bridge.
[ ]
|
A .30 metres long |
B .30-metre-long |
|
C .30-metre long |
D .30 metre long |
答案:B
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题目内容
-- What are the workers doing?
-- They are building a ________ bridge.
[ ]
|
A .30 metres long |
B .30-metre-long |
|
C .30-metre long |
D .30 metre long |