Вместо нужно вставить one или ones: how old are my children? the younger is four and the older is seven. 2. the new mobiles are much lighter than the old . 3. i don't mind what kind of car it is, i just want that gets me there. 4. which do you prefer; this or that ? 5. i need some new glasses. the i have at the moment are broken. 6. i hope this holiday will be to remember.
