It's about 29 metres long and o________ 9 floors high

It's about 29 metres long and o________ 9 floors high it's about three hundreds metres long on the left how big is your____room?.it's about 20 square metres. It's about five hundred metres far away.改错 it's twenty metres tall? The ole tower looks nice.It's about twelve metres high. It's 56 metres high.对56 metres high it is about 320 metres tall.同义句转换it is about 320 metres＿ ＿. It is about 150 square metres.怎么问 What's the h___ of the hill?--About 300 metres. What's the _____of the TV tower? About 100 metres. .The river is very long and it is about ____.A.50 metres tallB.20 metres wideC.30 metres highD.15 metres long 2 The old tower looks nice,it’s about__.A twelve-metres-high Btwelve-metres high C twelve metres high it‘s twenty metres tall 对划线部分提问twenty metres tall 这是划线部分 It's three metres long by two metres wide..这里By是什么意思. It's more than fore hundred metres high!翻译 It's 20 metres far away from here. It is about 15metres long.这个句中15 metres是形容词吗?long是名词吗?