用英语介绍别人 比如说这是玛丽 用It's Mary 可以吗 还是一定要用This is mary

用英语介绍别人 比如说这是玛丽 用It's Mary 可以吗 还是一定要用This is mary 那套书是玛丽的用英语怎么说?That____ ____ ____ is Mary‘s. Mary's being chose中的Mary's是Mary has 还是Mary is 我找玛丽接电话 用英语怎么写 Mary在句尾 是个问句 It is Mary's?还是It is Marys? This is Mary's book This is Mary's invitation Her name is Mary.用Mary提问 And this is my sister,Mary.and this is my brother,Jim用英语怎么说? 英语基础is this mary's dress 和 is this dress mary's?哪个对?is this This blouse is Mary's.(Mary's划线提问） 她看起来不如玛丽年轻用英语怎么说 She does‘t look ___ ___ ___ Mary.