—Why didn’t you attend the lecture yesterday?—I didn’t think that we _______ on Sundays.A.should B.ought to have C.shouldn’t have .will have to 帮我解析下,

—Why didn’t you attend the lecture yesterday?—I didn’t think that we _______ on Sundays.A.should B.ought to have C.shouldn’t have .will have to 帮我解析下,
—Why didn’t you attend the lecture yesterday?
—I didn’t think that we _______ on Sundays.
A.should B.ought to have C.shouldn’t have .will have to
帮我解析下,

—Why didn’t you attend the lecture yesterday?—I didn’t think that we _______ on Sundays.A.should B.ought to have C.shouldn’t have .will have to 帮我解析下,
--问什么昨天你没有来听讲座?
--我认为我们在星期天（意指假期）不应该这么做.
根据句意即可判断用should（应该做某事）
B选项不应加have,ought to have done sth,本应做某事（而没有做）,与should have done意义相仿.D选项意义为：将不得不做某事