10. I was late. The teacher ( give)____________ a quiz when I (got)____________ to class. 11. The anthropologist (leave)__________ the village when she (collect)___________ enough data. 12. I almost missed my plane. All of the passengers (board)_________ by the time I (get)_________ there. 13. Diane can’t come to the phone because she (wash)__________ her hair. 14. Diane (wash)____________ her hair every day. 15. Please be quiet. I (try)___________ to concentrate. 16. (Lock, you, always)___________ the door to your apartment when you leave? 17. They agreed ( be)___________ present at the opening ceremony. 18. After three days of rain, I’m glad that the sun (shine)____________again today. 19. Every morning, the sun (shine)________ in my bedroom. 20. The headmaster begins (arrange) _________the matter at one. 21. She loves( swim) ___________in the early morning. 22. They agreed ( be) present at the opening ceremony. 23. I don’t want (force) ________you ( do)__________what I say. 24. Most people prefer (drive)____________to ( ride)___________ 25. It is easy (be) ______wise after the event. 26. I'm sorry (disappoint)_____ you but I can't (let) __you (have) ___any more money till the end of the 27. The sea wasn’t warm enough for us (go) ___________swimming. 28. I have a lot of homework ( do) ______tonight, so I cannot go out with you. 29. it is really interesting ( read) _________these books. 30. He doesn’t have enough money ( buy)________ a new house