Section B(3a3b) 并讨论完成以下介词填空。 Saturday morning the morning Sunday afternoon the afternoon Saturday night night,on,on,in,on,in,at,三、写作修改。 下面是一道作文题及一位同学写的作文,大家来修改一下这篇习作。 根据以下提示写一篇作文,词数6070,要求语言流畅,语法正确,Last weekend was very busy. On Saturday morning, I cleaned room. In the afternoon, I did my homework. I had so many homework. I spent about 3 hours to finish it. In the evening, I and my best friend went to the movies. The movie was very excited. I liked it. On Sunday morning, I visited my grandparent
