.Look out! Don’t get too close to the house the roof is under repair.A. whoseB. whichC. o

问题补充：

.Look out! Don’t get too close to the house the roof is under repair.

A. whose

B. which

C. of which

D. what

答案：

A. whose

B. which

(答案→)C. of which

D. what

解析： 考查定语从句。先行词是the house，带入定语从句 the roof is under repair，应是the roof of the house is under repair.所以选C.如果roof前没有the，可以选A。