Underline the correct item.
1. she's got a pen of (you / your)
2.these are (the boys' shirts / shirts of the boys)
3.he is a friend of (me / mine)
4.we're having (two days' holiday / a holiday of two days)
5.she went to the (baker shop / baker's)
6.that's the (house's kitchen / kitchen of the house)
1 of yours
2 the boys'shirts
3 mine
4 two days' holiday
5 baker's
6 kitchen of the house