--my books?---in the bookcase.A. Where’s; It’sB. What are; It’sC. Where are; They areD. Wh

问题补充：

--my books?---in the bookcase.

A. Where’s; It’s

B. What are; It’s

C. Where are; They are

D. What is; They are

答案：

A. Where’s; It’s

B. What are; It’s

(答案→)C. Where are; They are

D. What is; They are

解析：句意：我的那些书在哪里？他们在书橱里。根据后面的my books可知，句子的主语为复数形式，所以，谓语应该用复数，又因后面的句子表达的是在书橱里，所以应该用特殊疑问词where来提问；故选C。