题目内容：

was it midnight------you arrived home by taxi?
i'm afraid so,
a that b at which c the time d when 为什么选d,不选a呢,it was that 作强调结构

优质解答

除非原句是 was it at midnight that you arrived home by taxi?就可以用that表示强调结构原题不是强调结构,因为假如是强调结构,去掉"it was"和"that",原句再变成一般陈述语气时,应该还是一个完整的句子,而原题去掉...