1.confused 感到迷惑
confusing 使人迷惑
a confusing question
2.step up their search for
3.incident 发生事情
accident 事故
4.because he was ill
=because of his illness
=due to his illness
we are due to gather together at 7:20 tomorrow morning
5.陌生strannge=alien
6.There is a flash of light on the wall
子主题
