作业帮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
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.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
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！