Составить предложения: has, birthday, yet, made, mary, not, her, cake. lunch, had, and, meat, for, potatoes. letters, your, how, witten, friend, many, to, have?

1. Mary has not made her birthday cake yet.
2. I (? Не хватает местоимения) had meat and potatoes for lunch
3. How many letters has your friend written?