Correct the following sentences. 改错1 Tony computer has been stolen. _______________________________________2 They are my mother’s-in-law’s favoritesweets. _______________________________________3 Frank and Jane’s cars are both black. _______________________________________4 Is that Mary’s and Jane’s father? _______________________________________5 She was a friend of my mothers. _______________________________________请把改正后的句子完整地写在下面。（注意句子首字母大写和英文标点符号）