问题
选择题
–Tom, you didn’t come to my party last night?
– I ________, but my mom hurt her back and I had to look after her.
A．had to
B．didn’t
C．wouldn’t
D．was going to
答案
答案：D
由下面的but可知是妈妈背受伤了要照顾，本来是打算去了，可知Ｄ正确。be going to do 表示计划或打算做某事，此时用过去时was。