My father may have to go into hospital in case he won’t be going on holiday.A. whoseB. t

问题补充：

My father may have to go into hospital, in case he won’t be going on holiday.

A. whose

B. this

C. that

D. which

答案：

A. whose

B. this

C. that

(答案→)D. which

解析：关系代词which在从句中作定语，指代主句的整个内容。