[解析]
(1)How.推断题,可知是对方式提问,句首字母大写.
(2)and;and.根据句意:我最喜欢的科目是数学. 我喜欢我的学校(C).可知填:和.第一个空and连接并列词语.故答案为and.
(3)to be an engineer;am good at.(D)当工程师;(F)擅长.故答案为to be an engineer.
(4)a lot of/a number of/lots of.同义句转化题,很多、a number of,故答案为a lot of/a number of/lots of.
(5)swimming and basketball.根据" I 擅长swimming and basketball. These are my hobbies. 这些是我最喜欢的爱好 and basketball and basketball.