<P>When I had lunch,the bell rang.We were istening to music at this time . </P>
<P>There is not anying in the bag.</P>
<P> 不好意思,were 写成are 了</P>
When I __had_(have) lunch, the bell _rang_____ (ring)
We __are listening___listen) to music at this time. (如果是at that time,用过去式比较贴切)
There _isn't____(be not) anything in the bag (只有一个空格,要连写)