一道选择题：________ been abroad before

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一道选择题：________ been abroad before
________ been abroad before.
A it is said that he has
B they said that he has
C he is said that he has
D he is said to have
怎么做?

选D
要么是it is said that he had been abroad before
要么是he is said to have been abroad before
要么是he is said that he had been abroad before
要么是they said that he had been abroad before
再问： it was said that he had been abroad before吧？
再答：这都可以啊。。。 it is said 和 it was said 后面都可以接had been 是不是用had been应该是看是不是回来了，没回来就是has been，而已经回来了就是had been，这个句子后面说了个before，回来的可能性大多了。假如没回来的话，就没有必要说before了。
再问：没回来不是has gone吗？
再答： has gone abroad = has been aborad has gone to USA = has been in USA

一道选择题：________ been abroad before My brother has never been abroad before i have never been abroad before 这个before是什么词性 He has never been abroad before.这里的been是什么 my brother has been abroad before有谁能解释一下为什么是been abroad,abro 解释句子成分:My brother has never been abroad before." How many times have been abroad before.N____ He has never been abroad before 分析下句子结构 He has never been abroad,________?Yes,I think so. 新概念英语 My brother has never been abroad before 这里before为什么在后面 my brother has never been abroad before为什么用been而不用gone? my brother has never been abroad before 这句话是这个has been to去某