IV. Fill in: why, who, whose, where, which, when.

The task is to fill in the blanks with the correct interrogative pronoun. Here's the solution:

1. Do you know which mobile phone this is?
2. The hotel where we stayed was fantastic.
3. I remember the day when we first met.
4. The laptop which is new broke down.
5. The man who brought the letter said that it was very important.
6. I really don't know why Kate gave up yoga.