-Alice,why didn't you come yesterday? -I ____ ,but I had an unexpected visitor.
-Alice,why didn't you come yesterday?
-I ____ ,but I had an unexpected visitor.
A had B would C did D was going to
答案D
分析
参考答案:was going to是be going to do sth.的过去时态,表示过去即将发生的动作。整句的意思就是我准备来的,结果。。。