i weant to school at once without eating anything.句子中为什么用eating而不是eat?

i weant to school at once without eating anything.句子中为什么用eating而不是eat? I have to .lunch at school I go to school at two to two. I（be) at school i go to school at twenty 【】eight快 I go to school at half past seven. 是什么意思 ---------- every day?i go to school at eight. ( )every day ----i go to school at eight seven school I at to forty go怎么组成一句话 【英语】I have lost to friends at school I go to school at haif past seven. I go to school at seven否定句 改错 I go to the school at seven every day I often go to school at seven.改否定句. I went to school at 8.30.翻译中文 i often go to school at ____ 8 o'clock I usually go to school at half p_____ seven. I went to school at onice without _____(eat) anything