The basketball team was built two years ago....

Thebasketball team was built two years ago,but it has yet to win a single teasm.
这句话中yet为什么用在了肯定句中，这个词不是用于否定句吗？谢谢了！

the rule of basketball What a nice sprot the basketball is! please_______(not play)basketball in the street The basketball match _________between_________________7:00 a.m. They are in the school basketball team.(同义句）。They are ( ) ( ) the school basketball team One of the tallest boys good at basketball. 选择题：He wants to ___ the basketball team. The basketball team was built two years ago.... Yao Ming,the center of the Chinese National Men’s Basketball Team. Cathy takes the two boys from football to basketball.翻译成中文是什么?