5.   The teachers and students are very b____________ on weekdays.

4.   There are twenty-four h       a day.

3.   Gina has an art 1_________ on Tuesday afternoon.

2.   Our classes f_________ at 5 ： 00 p.m.

1.   Math is very u_________ in daily life(日常生活）.

6.   我爸爸说数学是有用的，但我认为它是无聊的。

My father says__________ is useful, but I think it is________ .

5.   让我们去睡觉吧.

Let's__________________________ ,

4.   我喜欢玩水。

I like to_________________ water.

3.   我们所有的课程4:30结束。

All our_________ finish_________ 4： 30.

2.   午饭后，我上音乐课。

_______ lunch, I__________ music.