问题
选择题
Had it been possible, I would have gone to attend Monica in the hospital, but I________ fully occupied last month.
A．had been
B．was
C．am
D．have been
答案
答案：B
题目分析：句意：假如说可能的话，我就会去医院照顾Monica，但是上个月我一直很忙。这里有时间状语last month，句子要用一般过去时。故选B。