【正文】
her had left for Canada just before the letter arrived. They had not been married four months before they were divorced. After you think it over, please let me know what you decide. After we had finished the work, we went home. I didn’t go to bed until( till) my father came back. It was not until the meeting was over that he began to teach me English. I worked until he came back. I didn’t work until he came back. Please wait until I arrived. I have been in Beijing since you left. As soon as I reach Canada, I will ring you up. 2. 地點(diǎn)狀語從句;( adverbial clause of place) Where there is no rain, farming is difficult or impossible. They were good persons. Where they went, there they were warmly weled. You should have put the book where you found it. Where there is a will, there is a way. It will be mixed school where not all the children are disabled. Wherever you go, I go too. Wherever t here is smoke, there is fire. While she was wondering where to go, she met a policeman. 3. 原因狀語從句;( adverbial clause of cause) I didn’t go to school yesterday because I was ill. Since everybody is here, let’s begin our meeting. As you are in poor health, you should not stay up late. I asked her to stay to tea, for I had something to tell her. 4. 目的