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

.The river is very long and it is about ____.A.50 metres tallB.20 metres wideC.30 metres highD.15 metres long it is about 320 metres tall.同义句转换it is about 320 metres＿ ＿. It is about 15metres long.这个句中15 metres是形容词吗?long是名词吗? It is about 150 square metres.怎么问 how big is your____room?.it's about 20 square metres. 英语翻译it is 1142 lilometres long.About 960 kilometres of it is over 4000metres above sea level It is about:______ A.102-metre-high B.102 metres high 为什么选b,A错在哪里 为社么180-foot-high learning tower 要加- It is about twelve metres high不加- it's about three hundreds metres long on the left It's about five hundred metres far away.改错 The hill is about 200 metres high.对about 200 metres 提问对about 200 metres 提问,＿ ＿ is the hill? the river is about 10 metres wide改为同义句 the river near my home is about 20 metres b____. 括号内提问：The building is (about forty metres )high. The building is about 40 metres in ___(高度) The h______of the tree is about five metres. The big fish is about two metres long rocket,two,tall,about,this,is,metres.连词组句