6. What an interesting story (it is)! 或How interesting the story is! 7. How often does this magazine come out? 8. could they 9. How brightly the moon is shining! 10. Who is always encouraging us to speak English in class?

四、1~5 ACADD 6~10 BCBDC

答案：

一、1、简单句；2、复合句；3、简单句；4、简单句；5、并列句；6、复合句；7、并列句；8、复合句；9、简单句；10、简单句

二、

　　I hope you are very well（复合句）. I'm fine, but tired（简单句）. Right now it is the summer vacation and I'm helping my Dad on the farm（并列句）. August is the hottest month here（简单句）. It is the time of year for the rice harvest, so every day I work from dawn until dark.（并列句） Sometimes we go on working after dark by the lights of our tractors（简单句）. We grow rice in the south of the States, but in the north where it is colder they grow wheat（并列复合句）. We have a lot of machines on the farm（简单句）. Although the farm is large, my Dad has only two men working for him（复合句）. But he employs more men for the harvest（简单句）. My brother takes care of the vegetable garden（简单句）. It doesn't often rain in the summer here（简单句）. As a result, we have to water the vegetable garden（简单句）. Every evening we pump water from a well（简单句）. It then runs along channels to different parts of the garden（简单句）.

三、1. He doesn't dare to tell the truth. 或He dare not tell the truth. 2. How long have they lived here? 3. won't there 4. Be careful with your pronunciation. 5. Did they go for a walk after supper yesterday evening? 6. What an interesting story (it is)! 或How interesting the story is! 7. How often does this magazine come out? 8. could they 9. How brightly the moon is shining! 10. Who is always encouraging us to speak English in class?

四、1~5 ACADD 6~10 BCBDC