六(1)班有40人,一次数学测验只有两道题,结果全班有10人全对.第一题有25人做对,第二题的18人做错,那么两道题都做错的有____ 人.
If you are hunting ________ chance to improve yourself in English,I think the English corner will be ________ smart choice.( )
将来发育成茎和叶的芽叫做( )