Exuse me!Is this your pencil case?改为复数形式

问题描述:

Exuse me!Is this your pencil case?改为复数形式

Excuse me!Are these your pencil cases?Yes, it is.It's my pencil case.Here you are.Thank you.Where is my dictionary?Sorry,I don't know改为复数形式Yes, they are. they are my pencil cases?Here you are.Thank you.where are my dictionaries?Sorry, i don't know!