My grandpa can't read and write 改错

My grandpa can't read and write 改错 She can't read and write she can't read and write.应该是不正确的? he can read and write 改错(每句一处错):I can't write and draw my grandpa is old,_ he can read.a.and b.or c.but can`t read my sam is six years old.he can read and write well,but he can't My mother can't write or read（改为肯定句） My mother __ Tom can read and write.改进行时 Sam ___ I are good friends My guandpa can't read ___ write can't read my face