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4. He demanded that the report must be written immediately after the research into the Australian Aborigines was done.         

3. The professor gave orders that the test should finish before 5:30.         

2. If I        (not run) out of my ink,I would have finished writing the paper.

4. Without your help,we        (not achieve) so much.

5. He insisted that nothing        (start) till he arrived.

7. I didn't see your sister at the meeting. If she        (come) ，she would have met my brother.

8. ―If he        (warn) ，he could not have taken that food.

 ―Luckily he was sent to the hospital immediately.

9. Mr White        (arrive) at 8:30 for the meeting,but he didn't show up.

10. If I had seen the movie,I        (tell) you all about it now.

My friend Mary is a Senior 3  student,who devotes herself to her lessons every?day. Last Saturday,as usual,she went to several class. In the evening,she con?tinued to study at home until deeply into night. She was too sleepy and tired that she couldn't work effectively. In Sunday morning,she was about to do her lessons while her father came into the study and advised her to take a break. Soon they came up a good idea. They decided to go cycling in the countryside. Mary enjoyed herself and felt relaxing in the open air. On the Monday,Mary was energetic but active in class. Mary said what she has done was worthwhile.