完整题目The two students_____ ill yesterday,and they didn’t come to school.
问题描述：
完整题目The two students_____ ill yesterday,and they didn’t come to school.
A.are all B.were all C.are both D.were both
选哪个,为什么
急
答
选D,yesterday表示事情发生在过去,所以要用were,two student两者都用both,all一般是三者或三者以上都
这两个学生昨天都病了,他们没有来学校