“What did you hear last night?”“I seemed___ someone knock at the door.”to hearto have heared答案给的后一个 我知道 have done 是表示 在seem之前发生 但是 这里也没有暗示 一定要强调动作的前后顺序用seem to do也完全可以表达句子的意思.
问题描述：
“What did you hear last night?”“I seemed___ someone knock at the door.”
to hear
to have heared
答案给的后一个
我知道 have done 是表示 在seem之前发生
但是 这里也没有暗示 一定要强调动作的前后顺序
用seem to do也完全可以表达句子的意思.
答