Помогите,пожалуйста,по английскому,7 класс. Срочно!!!

Lucy`s hair isn`t very long. Jane`s hair is longer than Lucy. David doesn`t study very hard. Nancy study harder than David. I`m not a good singer. Tory sing better than me. We haven`t visited many countries. You visited more countries than we. I can`t sweem very fast. You can sweem faster than I. Jack doesn`t skate well. Mike skate better than Jack. Mary`s accent is not very good. Yours accent is more better than Mary`s.