3 . Choose the words in the box to complete the sentences.

who               whom               which             whose               when where             in/of/for          of whom

1. Some people always talk loudly in public, _____________is really annoying.
2. Professor Lu, _____________you spoke to, specialises in constitutional law.
3. Please come back at four o’clock, _____________ your herbal medicine will be ready.
4. What do you want to write about these people, _____________stories I have just told you?
5. Have you been to the Louvre Museum, _____________you can see the Mona Lisa on display?
6. There are 45 students in our class, out_____________ only 10 are taking an optional art course.
7. Her mother works in a company, _____________employees are all women.
8. It is vital to learn to use these software programmes, both_____________ can help you with collection and evaluation.