Unit 1 My school 重点句子Wheres the teachers office?教师办公室在哪里？Its on the second floor.它在二楼。注意：teachers office 名词所有格，表示“.的”先变成复数形式teachers,再加Is this the teachers office?这是老师的办公室吗？No,it isnt.The teachers office is next to the library.不，不是。老师的办公室紧挨着图书馆。注意：Is this ./Is that.?是一般疑问句，回答时用it代替this或that。答语一般为Yes,it is./No,it isnt.Is that the computer room?那是微机室吗？No,it isnt.Its teachers office.Do you have a library?你们（学校）有图书馆吗？Yes,we do.Its on the second
