若是
1. He has read that book so many times that he can remember every single word in it.2a. If I had another chance, I could definitely do better. (虚拟语气,表示没有另一次机会了)2b. If I am given another chance, I will definitely do better. (表示希望有另一次机会)3. Because they were warned to watch out for robbers, they stayed away from dark alleys.4. While keeping a full-time job, she also takes good care of her family. (见注)5. The school across the street was built in 2000. (见注)注:4. 这句话不是英语里的正常表达。我只能按字面的意思尽量给你翻译成比较地道的英语。通常在英语里是这么说的:While keeping a full-time job, she is also a good mother.5. "建立起来"也比较中国化。美国学校的"建立"通常是在某个旧址上直接开个学校,所以更可能是started而不是built:The school across the street was started in 2000.来自:求助得到的回答1,He had read that book so many times that he can remember every word or sentence now.2,Given one more chance, I would do more better.3,Since they had been warned of being robbed, they kept away from the dark street.4,She does a full time job and she handles family affairs very well.5,The school which opposites the street was founded in the year 2000.