Найдите ошибки и исправьте. пожалуйста помогите, нэте не могу найти скоро сдавать

1.What time is the concert starting? 2. The teacher asked him to do exercise twelve. 3. There is something I want to tell you. 4. There is a little cheese in the fridge.  5. The doctor told my aunt to eat fewer tomatoes. 6. There are hundreds of toys in his collection. Или: There is a hundred of toys… 7. How many tests did you have yesterday? 8. What do you want to say to us? 9. She has lived in England since last August. 10. When did she say that?