1.His work is related to animals.
2.We left very early in order to arrive at the place before dark.
3.Her accent told that she was a northerner.
4.You must inform him beforehand if you want him to come here.
5.I do not know why he changed his idea.
6.As soon as they have learned how to swim, the majority of people will like it.
7. The more thorough preparations you made, the more confident you will be during the exam.
8. You can make use of English frequently as soon as you grasp English and vice versa.