Question

——Alice，why didn't you come yesterday?

——I______, but I had an unexpected visitor．

A．had    B．would    C．was going to    D．did

 

Answer 1

答案：C
解析：

在某些结构，如：be able to，be going to，be about to，ought to，have to，used to等后作复合谓语的不定式, 为了避免重复，常常承前省略不定式后的内容，但要保留不定式符号to。