Unit 4Then and nowA
Let’s learnThere are many books in it
We can read books in it
What is it
It’s a ___________
libraryThere are teachers in it
They often work there
And you often hand in (上交) your homework there
What is it
It’s a ___________________
teachers’ officeThere are many computers here
You can learn how to use computers
What is it
It’s a ___________
computer roomThere are two blackboards
There are many desks and chairs in it
What is it
It’s a ___________________
classroomWhat can you see in our classroom
There is/are…Five years ago( 五年前 ),there was no…now5 years agoWhat differences can you find
Five years ago( 五年前 ),there was no…computerTVfanWhat can you see
dining hallgymgrassThere was no 20 years ago
gymThere was no 10 months ago
dinning hallThere was no last year