单项选择（每题1分）In his letter was his promise he would spend the Christmas Eve with me.A. thatB

问题补充：

单项选择（每题1分）

In his letter was his promise he would spend the Christmas Eve with me.

A. that

B. what

C. which

D. whether

答案：

(答案→)A. that

B. what

C. which

D. whether

解析：考查同位语从句。Promise“承诺，许诺”，后跟that引导的同位语从句，对promise进行补充说明。句意“他在心中作出承诺，会和我一起过圣诞节平安夜。”故选A。