题干
I will try my best to stop my son from _____ the same mistake.
A：make
B：made
C：makes
D：making
答案(点此获取答案解析）
D
I will try my best to stop my son from _____ the same mistake.
A：make
B：made
C：makes
D：making
；②
；③
中,在其定义域内是奇函数的个数是（ ）