根据所给要求，改写下列句子。每空格限填一词

67. At last Tom let his brother go to the concert instead of himself. (改为否定句)

   At last Tom __________ __________ his brother go to the concert instead of himself.

68. Daniel was keen on playing tennis when he was ten years old. (保持句意基本不变)

Daniel was __________ __________ playing tennis when he was ten years old.

69. A lot of young students go to America because they want to further their study. (就划线部分提问)

   __________ __________ a lot of young students go to America?

70. It was very cold yesterday. He couldn’t go swimming. (合并为一句)

   It was __________ cold for him __________ go swimming yesterday.

71. We must keep our classroom clean and tidy every day. (改为被动语态)

   Our classroom must __________ __________ clean and tidy every day.

72. The farmers stopped working in the fields when the sun set. (保持句意基本不变)

   The farmers __________ stop working in the fields __________ the sun set.

73. “Will they come to attend the meeting?” asked the boss. (改为宾语从句)

The boss asked __________ they __________ come to the meeting.

We spend lots of our lives in the school, getting knowledge, developing ourselves and growing up. It is so important that the school provides a pleasant environment. So all the students must do the following:

In the Classrooms

All classes must have a duty book.

Classrooms must be clean and tidy. Waste paper baskets should be emptied before the first lesson every morning.

All students are to make sure that the classrooms stay clean and tidy all the day.

The class cabinets(箱) are strictly for keeping things for the class. No personal things are kept in the class cabinets.

Each class is to provide their own batteries for the clock in the classroom.

Class Signs

Class signs are put up for your teachers and your parents to easily find you. So please look after them well.

School Toilets

For good hygiene and convenience of all, please keep our toilets dry and clean. Always clean them with water after use and wash your hands after that. Please use the school toilets as you use the toilet in your own home.

40. The first paragraph mainly tells us_____________.

A. why all the students should follow the school rules

B. that the school is a good place for children to learn and grow up

C. where the students can find a pleasant environment

D. that the school is the only place for many people to spend the time

41. The students should________.

A. have a duty book each

B. keep the classroom clean and tidy

C. empty the waste paper basket after each lesson

D. put personal things in the class cabinets

42. The underlined word “hygiene ” in the last paragraph probably means_________.

A. 保健             B. 心理                C. 卫生        D. 生理