企业回1 up your bok 2 back the exercises 3 肯定句、Afirmative sentence 否定句:Negative sentence 一般疑问句 general question 特殊疑问句 special question 反义疑问句 tag question 感叹句 Exclamatory Sentences(这个不是太确定,是用翻译的)
too. Our teaching building has five floors. My classroom is onthe fifth floor. It is big and clean. The computer rooms are on the third floor. There is a libraryon the second floor.There are many book