A terrible accident____,however,occur the other day and we
A terrible accident _______,however,occur the other day and we witnessed it _______ accident.
A.does;by
B.did;by
C.has to;on
D.had to;on
我知道答案选B,我想问的是前面一个空为什么不能用had to?(我单独问前面一个空,和后面的by accident 无关)
人气:154 ℃ 时间:2020-02-06 06:28:25
解答
B是对的.had to表示不得不,难道你认为这事故是必然发生的吗?那能不能把to去掉只用hadhad也不行,你想用完成时,occur要加ed, 语法不对。the other day是前几天的意思,与过去时连用。你学习进步,更上一层楼! (*^__^*) 不明白的再问哟,请及时采纳,多谢!
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