题干
You're supposed ______ your room up before you go out.
A：to clean
B：clean
C：cleaning
答案(点此获取答案解析）
A
You're supposed ______ your room up before you go out.
A：to clean
B：clean
C：cleaning
的分式方程 的解为正数，则满足条件的正整数m的值为（ ）