1.He finished his homework,then he went on _______a letter.a.write b.writing c.with writing d.to write 为什么不选b?2.＿＿＿where to go,he asked a policeman the way.a.Having lost his way and not knowing b.Losing his way and didn't know c.Lost his way and not knowing d.lost his way and didn't know 答案好像是d,为什么不选a?
问题描述：
1.He finished his homework,then he went on _______a letter.
a.write b.writing c.with writing d.to write
为什么不选b?
2.＿＿＿where to go,he asked a policeman the way.
a.Having lost his way and not knowing
b.Losing his way and didn't know
c.Lost his way and not knowing
d.lost his way and didn't know
答案好像是d,为什么不选a?
答
1.go on doing是指在做某事的期间中断,之后继续做同一件事；而go on to du是指在做完某事后继续做另一件事,从1题来看,他是在做完作业后继续做另一件事（写信）,所以选D
2.应该就选A,这是伴随状语,应该用动名词,而不是谓语形式的D.