题目内容
( ) 7. ―How long is the bridge? —It's .
A. 300-metre-long B. 300-metres long C. 300 metres long D. 300 metre long
C
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题目内容
( ) 7. ―How long is the bridge? —It's .
A. 300-metre-long B. 300-metres long C. 300 metres long D. 300 metre long
C