How ___I am to go to the Great Wall with you!

问题描述:

How ___I am to go to the Great Wall with you!
A.happy B.happily C.happiness D.unhappily
为什么不能选B呢

要接形容词,how adj sb is/am/are表示强调语气=sb is/am/are so adj.可以变为I am so happy to go to the Great Wall with you!