—your sister have a computer? —Sorry I don’t think she has .A. Do;itB. Does;oneC. Do;one

问题补充：

—your sister have a computer?

—Sorry,I don’t think she has .

A. Do;it

B. Does;one

C. Do;one

D. Does;it

答案：

A. Do;it

(答案→)B. Does;one

C. Do;one

D. Does;it

解析：第一个空用does，因为这句话的主语your sister为第三人称单数形式；第二个空用one，此处的one是个代词，用来代替上文中的computer。