学帮网1.First seeing the movie.I am attracted by the touching story and beautiful back ground of it.(为什么不用was呢？）2.After staying in Guilin for 3 days,the tourists group left for Xi'an.(为什么是过去式呢？3.I really feel sorry for the
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1.First seeing the movie.I am attracted by the touching story and beautiful back ground of it.(为什么不用was呢？）
2.After staying in Guilin for 3 days,the tourists group left for Xi'an.(为什么是过去式呢？
3.I really feel sorry for the damage I have caused to the lamp.(为什么不用felt)
2.---Where was Mary at that time?Why didn't you see her?
---She_ to Harbin.
Ahas been B has gone C had been D had gone.为什么不是B？
3.I had to return this book.I _ it for two weeks.
A borrowed B have borrowed Chave kept D had kept答案是D为什么不是C呢？
4.He _lived in shenzhen since he moved here in 1992.
A has B had C is D have 答案是A为什么不选B？
1、用was
2、这表达的是过去的事了,所以用过去式
3、如果用了felt,后面就不能用 have caused 而应该用 had caused（表达过去的过去）
想象成这句话是你在表达你现在的感受就明白了.
2、表达的是过去的时间说过去的事,要用had
3、同上
4、表达是从过去一直持续到现在的情况
因为没有题。because of nothing.
题呢？
没具体的语境额～
看后面两道你应该是不太理解过去完成时吧。只要你想着是“过去的过去”就知道用过去完成时。
亲自去问老师吧，这样能问的更多更清楚些。除非你把题目打上来大家才能更好的为你解答。
希望能帮到你！