2. Keep quiet while reading.

3. Pass the "Four Books" every time.

4 books

5. The library opens before 6:00 and closes at 18:00.

1。 You are not allowed to enter the library and make your bags.

2。 When you read, it is quiet.

3。 You can borrow four books at a time.

4。 You should return the book on time.

4。 You should leave the library before 6 pm. The library will open at 6 pm.