问题补充:
--- does this book belong to? --- It be Li Lei’s. There’s his name on it.
A. Who; must
B. Whom; can’t
C. Whose; must
D. What; may
答案:
A. Who; must
B. Whom; can’t
(答案→)C. Whose; must
D. What; may
解析: 根据回答语中有个Li Lei’s表示的是所属关系,对此提问通常用whose,根据最后一句在书上有他的名字,故书属于LiLei的可能性应该是最大,故用must,故选C。