为社么180-foot-high learning tower要加"-"

为社么180-foot-high learning tower要加"-" learning english为什么learn要加ing learning at high school is more structured than learning at learning at high school and learning at college英文作文 learning at high school and learning at college The Different Learning Styles at High School and College要原创谢 The photo is one of mine___was taken___stood the high tower. The Tower of Pisa is ( ) meters high in altitude. How high is the Eiffel Tower in Paris? 英语翻译The high Eiffel Tower,the colorful streets,the beautiful i would like to take my picture___stands a high tower. Jin Mao Tower is 420.5 metres _ （high）