首字母填空：There are some b____in my pencil case.

首字母填空：There are some b____in my pencil case. 1、There are some pencil in the pencil case. There are some pens (in the pencil case) 划线提问 There () a pencil and some pens in the pencil case A.are B.i there is a pencil-case and some Is this your ____?There are some books and a pencil case. There are some pens in the pencil case.(改为否定句) there are some rubbers in the pencil-case.改为否定句 There are (three) pens in my pencil case.(对括号内部分提问) There are four crayons in my pencil case.对four提问 用所给动词的适当的形式填空:(be)There ____a pencil-case dna some books on there are some m______ laboratories（实验室）.按首字母填空