Itwasonmywaybackhome

问题详情：

 It was on my way back home ____ my father made the promise ____ I can do well in next exam he will buy me Lu Xun’s Complete Works. A. when; that          B. when; that if      C. that; why        D. that; that if

【回答】

D

知识点：连词

题型：选择题