There ( ) a ruler in the pencil--box.括号里应该填什么?

There ( ) a ruler in the pencil--box.括号里应该填什么? There is( )in the box.括号里应该填什么, 英语翻译参考词汇：a red pencil-box,pencil,ruler···in the reading-room there is a ruler on the pencil box .there is an english book 把There is a ruler on the pencil-box.There is an English book ()a pen,a ruler and some pencils in guna's pencil-box.小括号应填什 __________your ruler in the pencil case?横线上应填什么? There is only one ruler in the pencil-box 改为同义句 there is one ruler in the pencil box对one 进行提问 I want to ( )a box under the bed.括号里应该填什么? There is a ruler in my pencil box.（改为一般疑问句） there is a ruler on the pencil-box.thereis an English book u