Mr. White will come to the party on Sunday he promised to every one of us.A. whenB. that

问题补充：

Mr. White will come to the party on Sunday, he promised to every one of us.

A. when

B. that

C. what

D. which

答案：

A. when

B. that

C. what

(答案→)D. which

解析：本题考查定语从句。句中which引导非限定性定语从句，指代前面的一件事。句意：怀特先生周日将来晚会，他对我们每个人都许诺过了。