With a modal auxiliary:I was disappointed that he ______be short

With a modal auxiliary:
I was disappointed that he ______be short of initiative.
【正确答案】：should
【题目解析】：Alarmed，amazed，amused，angry，annoyed，astonished，depressed，disappointed，frightened，glad，grateful，hopeful，horrified，interesting，irritated，natural，odd，pleased，proud，ridiculous，shocked，strange，thankful，upset，disgrace，shame，shock等引导that从句表达个人的一种感情或意见时，用虚拟语气should + 动词原形，should可以省略。