找出错误的一项并改正。
（1）Lily alwayshelp her.
A     B               改正：_____________
（2）I help my mother to doing the housework.
A                B       改正：__________
（3）LiMing always stay in home.
A         B          改正：___________
（4）How do you do on Monday?
A            B             改正：___________