A:can; must
B:can; may
C:must; ca
D:may; must
“今天在课堂上,我婉转地给老师指出了一个小小的错误,老师表扬了我,我觉得自己很细心,也勇敢。”这里认识和评价自己的途径是( )
I often help mother__________ housework after school.