My sister is only five but she always tells me my pictures are good or not.A. ifB. wheth

问题补充：

My sister is only five, but she always tells me my pictures are good or not.

A. if

B. whether

C. that

D. how

答案：

A. if

(答案→)B. whether

C. that

D. how

解析：考查连词。whether是否，常与or not连用，if意为是否时，不能与or not连用，句意：我的妹妹只有五岁，但是她总是告诉我我的画是好还是不好。所以选B。