问题补充:
Look out! Don’t get too close to the house roof is under repair.
A. whose
B. which
C. of which
D. what
答案:
(答案→)A. whose
B. which
C. of which
D. what
解析:whose引导定语从句,且在定语从句中用作定语,修饰roof,又如:A mental patient is one whose mind is diseased. 精神病人是脑子有病的人。The girl whose work got the prize is the youngest in her class. 作品获奖的女孩是她班上年纪最小的。