:
There are a lot of jokes about mothers-in-law. 2. How much German do you know?
3. My favourite flowers are forgets-me-nots.
4. There are mostly women-teachers in our school.
5. I used to have some pen-friends.
6. I'm afraid of mice.
7. There are many workses in that city.
седьмое я не совсем поняла но интуиция подсказывает что ошибка в слове workses