改错。
1.I' llhelp you about your maths. (______)___________
A B C D
2.Thisiswelibrary. (______)___________
A B C D
3.We often playa piano in the music club. (______)___________
A B C D
4.Takecareofyouself. (______)___________
A B C D
5.Aretheyplayfootball? (______)___________
A B. C D