7. Could you iron the trousers ____ are hanging up behind the door?
A. who B. which C. that D. B & C are correct
8. Where is the girl ____ sells tickets?
A. who B. whose C. whom D. A & C are correct
9. The man____ we consider our leader had much experience in climbing
mountains.
A. who B. whose C. whom D. A & C are correct
10. The artist ____ name I couldn’t remember was one of the best I had ever seen.
A. who B. whose C. that D. A & C are correct