题干
— Did you get up late yesterday morning?
— Yes, so after ________ quick breakfast, I had to run to school.
A：a
B：the
C：an
D：/
答案(点此获取答案解析）
A
— Did you get up late yesterday morning?
— Yes, so after ________ quick breakfast, I had to run to school.
A：a
B：the
C：an
D：/
(
为参数)化成普通方程是( )