7. The postcard which I sent you was written on the summit of Bon Nevis.
8. The house whose doors are yellow is mine.
9. The watch which is in the bathroom belongs to Lam.
10. Do you know the new student who I can’t remember his name?
11. We are talking to Viet Nam whose population is 87 million people.
12. I should phone the man whose car I borrowed yesterday.
13. I’m staying with Henry whose father works in a bank.
14. Do you remember Mrs. Lan who taught us history?
15. The museum which our class visited last weekend was built in 1805.
16. The man whom I told you about works in the hospital. 
17. Tuan, whose uncle is a pilot, has just won the second prize in the English contest.
18. The girl whose name I want to know works for my father's bank.

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