根据句意用括号中单词的适当形式填空,使句子的意思完整、正确。The young man was too late, but __________ (lucky) he caught the train.The little giant Yao Ming is 2.26 metres in __________ (high).Suzy taught ___________(she) how to do DIY. How clever she was!No one helped the old man and he felt ___________ ( help ).Kitty was unhappy because she did the __________(bad) in the English exam.