Question

I made a promise to myself ________ this year，my first year in high school，would be different.(2012·浙江)

A．whether

B．what

C．that

D．how

Answer 1

C

此处是that引导的同位语从句，用来解释说明a promise的具体内容，同时从句中不缺少成分，且句意完整，所以用that引导。故选C项。