Найдите ошибку: 1. what your telephone number? 2. we going to play chess this afternoon. 3. how many cheese do you add in this dish? 4. we talked when the telephone rang. 5.how much dollars do you spend a week?

1. What IS your telephone number?
2. We ARE going to play chess this afternoon.
3. How MUCH cheese do you add in this dish?
4. We WERE TALKING when the telephone rang. 
5.How MANY dollars do you spend IN a week?