试题题干
Fill in the blanks with the words given in brackets. Make changes or add something where necessary.
We 
(call) on you yesterday, but we had visitors ourselves.
参考答案
试题解析
本题考查固定用法和时态。根据yesterday可知应该是过去时。be going to do：打算做某事。根据句意“我们昨天本来打算去拜访你，但我们自己也有访客”，所以应该是be going to do的过去式。