用适当的介词填空。
1. He climbed up to the top of a large rock, ______ where he got a good view.
2. The painting ______ which I looked was painted by Vincent Van Gogh.
3. The pen ______ which she wrote that book can now be seen in a museum.
4. The little creature (生物) ______ which scientists are interested is known as ET.
5. The film ______ which I fell asleep was very boring.
6. The gun ______ which he was shot was never found.
7. Please give me the reason ______ which you were late this time.
8. He remembers the day ______ which his father died. He was only ten years old at that time.
9. The girl ______whom you talked at the meeting is a college student.
10. The people ______ whom the man spoke weren't listening.