Пожалуйста, помогите через 30 мин уроки 5 предложений со словом which

1)Which of the two cities has a large port.
2)Which president was the rst in the white house.
3)Which of the following is the odd one out.
4)Which prefix is used in scottish family names.
5)To know which side one's bread is buttered.
6)What is a nice boy!
7)What is the weather like today?
8)What are you doing now?
9)Which window is open?
10)Which day does the maid come?
11)Which book do you want to buy?
12)What is your name? 
13)What do you mean?