II. Choose the best relative pronoun: 1) The secretary didn't know the exact hotel when / where her boss would stay in London. 2) The café which / where is near our house was the place we decided to meet at. 3) The teacher asked Mary when/ who wasn't prepared well for the lesson and got a bad mark. 4) This was the castle where / which was mentioned in the story. 5) The woman who / whose son had won the race was very happy. 6) The book which/ what I read yesterday impressed me very much.​