“Will you go skating with me this winter vacation?”“It.”A. all dependB. all dependsC. is a

问题补充：

“Will you go skating with me this winter vacation?”

“It.”

A. all depend

B. all depends

C. is all depended

D. is all depending

答案：

A. all depend

(答案→)B. all depends

C. is all depended

D. is all depending

解析：考查固定结构；固定结构：It all depends看情况而定。该短语是交际用语中常考的结构。