What did you hear last night?" "I seemed someone knock at the door."A hearB.to have heardC.to hearD.having heard
问题描述：
What did you hear last night?" "I seemed someone knock at the door."
A hear
B.to have heard
C.to hear
D.having heard
答
C seem to do sth.
答
What did you hear last night?" "I seemed to hear someone knock at the door."
A hear
B. to have heard
C. to hear
D. having heard
seem to do sth. 是固定结构 。
我是从事英语的。答案满意吧。
答
答案是B.因为seem 后跟不定式,在这里要用不定式的完成式,表示的是hear所表示的动作发生在谓语动词seem 之前.