math I because I the sad failed test am 连词成句

问题描述:

math I because I the sad failed test am 连词成句

i am sad because i failed the math test

I am sad because I failed the math test.
我伤心是因为我数学考试没有及格。

I am sad because i failed the math test

I am sad because I failed the math test.要是我写我就会在fail后面加个介词in。