It is about 15metres long.这个句中15 metres是形容词吗?long是名词吗?

The Changjiang River is about 6700 metres long.(同义句) it is 40 metres long中is能换成has吗?为什么? It is 0.9 metres long.和 It is 0.9 metre long.哪句正确? It is 1/4 metres long.和 It is 1/4 metre long.哪句正确? the girl is 1.60metres tall 画线提问1.60metres 是how long 还是how t Model The room is 15 metres long The room is 15 metres (in) The big fish is about two metres long 英文长度表达式 是 5000 metres long 还是 5000-metres long还是等等 The swimming pool is 50 metres long.的同义句 It is a ________ __ it is four metres long 改为一般疑问句 it is about 320 metres tall.同义句转换it is about 320 metres＿ ＿. “The bridge is over three metres long”.的同义句?