A. a kind of                        
B. a kind  
C. kind of                        
D. kinds

1．虽然他比我高，但是我比他强壮。
Though he is _____than me, I`m_____athletic than him.
2．人人为这个好消息而激动。
Everyone was ____   ______the good news.
3．一个健康的生活方式使她更加幸福。
A_____ lifestyle makes her_____.
4． 6加3等于9。
If you _____3  ____6 you will get 9.
5．火车上有太多的旅客。
There are ____   ___passengers on the train.