【题目】I ______ to take a French course this summer, but I changed the plan later.
A. planned B. have planned
C. was planning D. had planned
在线课程【答案】D
【解析】
考查时态。句意：我原计划今年夏天上法语课，但后来改变了计划。根据but I changed the plan later.可知“但后来改变了计划”已经发生在过去，而“计划今年夏天上法语课”发生在过去的过去，用过去完成时，故选D。