中文意思：this pen is mine.

中文意思：whose pen is this? this pen is black.中文意思 中文意思：this pen is mine. Happy birthday of you.This new pen is to you.的中文意思是什么啊? this is our pen---------------- This pen is beautiful? This pen is yours this is leo中文意思 What is this 中文意思 Pen的中文意思 This pen is mine 保持原句意思 The pen ____ ____ me.This pen is mine 保持原句意思The pen ____ ____ me. This is my pen pai in Canada.什么意思 this is ------- -------- （pen).There are -------- (pen).填空 this is my pen .改为意思相同的句子 this is a（ ） Is this your pen Is this his pen?选择疑问句 This is pen变复数 this is a my pen 改错 Is this he pen