根据句意, 用括号中所给单词的适当形式填空。
⑴There are many outside class activities in our school and I'm in the __________ (dance) group.
⑵The teacher is _________ (please) with what we have done in class.
⑶He worked hard and ___________ (success) in his business at last.
⑷Tom ran so _________ (quick) that I couldn't catch up with him.
⑸You're so _________ (luck). This is the last ticket for Guiyang.
