When I was hungry,I (ate ) a lot.
(时态要一致.前面是过去式,后面也要用过去式.)
三班和四班有一场足球比赛..
There is a football match (between ) class3 (and )class4..
(between …and XX和XX,二者之间.)
你有没有更长的尺子?
Do you have the longer ruler?
桌子下面有两双鞋子.
There are two (pairs )of (shoes )under the table.