1.单词：

sixth第六,  seventh第七,   eighth第八,  

ninth第九,  tenth第十,  begin开始,  end结束.

2.句型:

Today is ……. 

今天是......

The ….. class is ……… 

....课在.....

It is at ……… 

它在.....

It is from ……. to ………

它从.....到......

Today is Monday. 

The first class is geography. 

It is at 8:30. 

It is from 8:30 to 9:20.

Today is Thursday. 

The fourth class is math. 

It is at 15:00. 

It is from 15:00 to 15:50.

3.

The ……… class begins at ………

.....课在.....开始

The ………. class ends at ………

.....课在.....结束

The English class begins at 8:30.

The English class ends at 9:20.

The chemistry class begins at 13:50.

The chemistry class ends at 14:40.