I have a math problem.还是Ihavea math question?为什么？我一直觉得应该是questin.但是字典上居然有 a math problem?为什么？我要原因啊，我还要告诉别人呢

I have a math practicing. I have to ( ) for a math test. I have to( )for a math test. I have math.翻译 I have a math book. 变否定句 I-------- ----------- a math book.快 have a math I have a math book 用she改写句子 I don not like have a math class怎么改 I have a math,it's diffcult and boring改错 句型转换 I have a hard time learning mathI have a hard time learning math.I ____ ____ learning math. i have a math book改为否定,一般,肯否定,划线提问.math book I have new math teacher. have math和have a math有什么区别 i feel that i was very__to take the math course,and i have made much progress in math now.A,lucky B,polite C,brave D,angry I have a new math teacher.Her class is so much fun. have,math,lunch,an,class,a,I,after,for,hour连词成句 I think physics ---- more difficult than math A.is B.are C.have D has I have a lot of experience on math teaching这句话语法上有没有错误?