不明白什么情况下用Thisis回答,什么情况下用itis回答.意思貌似一样,有什么区别吗.新概念一册中的练习题Isthisyourschool?-yes,itismyschool.Isthisyourumbrella?-yes,itismyumbrella.Isthisyourticket?-

Question

不明白什么情况下用This is回答,什么情况下用 it is回答.意思貌似一样,有什么区别吗.
新概念一册中的练习题
Is this your school?- yes,it is my school.
Is this your umbrella?- yes,it is my umbrella.
Is this your ticket?- yes,this is my ticket.
Is this your teacher?- yes,this is my teacher.
Is this your pencil?- yes,this is my pencil.
Is this your watch?-no,it isn't my watch.
Is this your daughter?-no,it isn't my daughter.
Is this your suit?-no,this isn't my suit.

Answer 1

this是指“这”的意思,一般用于第一次提到时使用
比如说,This is a pen.（这是一把钢笔）
it 是指代之前或上文中提到的东西,翻译成“它”,还拿上面的这个句子举例
This is a pen.It is very expensive.(这是一把钢笔,它很贵)