问题描述:
It was four o'clock in the afternoon ( ) he and his team reached the top of the mountain.
答案是when 不是that 为什么是状语从句 不是强调句 如果把It was 和 that 去掉仍然句子成立
答案是when 不是that 为什么是状语从句 不是强调句 如果把It was 和 that 去掉仍然句子成立
问题解答:
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