I __that they must have set off A frighten B afrid C surprise D f_英语解答

I __that they must have set off A frighten B afrid C surprise D fear
说明一下选项的意思,及他们的用法.

人气：372 ℃　时间：2020-03-25 19:49:41

解答

B用法同上,但A项+ed才是他说的,应该是吓别人的意思.