Fill in the gaps with who, which, whose, where, when.
1. What do you call the profession ... is the most popular
2. That's the shop ... they sell skateboards.
3. That's the boy ... dog attacked me.
4. I remember the day ... there was a festival in our town.
5. The people ... live above our flat are very noisy.
6. The school subject ... everybody likes is PE.​