Question

---Alice, why didn’t you come yesterday?
---I ____, but I had an unexpected visitor.

A．was going to

B．would

C．had

D．did

Answer 1

A

试题分析：考查时态。句意：—Alice，为什么你昨天不来呢？—我正要来，但是有一个不速之客来访。用was going to 表示过去将来时。故A正确。
点评：时态的考查要放在上下文的语境中进行，要注意句子的关键词。