Tom ,you didn’t come to the party last night?—I______, but I suddenly remembered I had homework to do .
A、had to
B、didn’t
C、was going to
D、wouldn’t
【正确答案】：C
【题目解析】：had to:不得不;didn’t:没来;was going to：打算来;wouldn’t:不愿来。句意：——汤姆，昨晚你没来参加舞会吗?——我本打算来，但我突然记起有作业要做。But是关键词，所以答案是：C。
