Is this/that a/an?.. Yes,it is./no,it isn't.2Are these/those oranges?Yes,they are./No,they aren't.翻译

This is a banana and that is an This is ______apple and that is _______banana.A.This is ______apple and that is _______banana.A.a.an B.an.an C.an.a D./ ./ This is an eraser That is aThis is an eraserThat is a plate变复数句 This is an apple,that's a knife句型转换 this is an onion and that is --- beef 横杠上添a an 还是/ （）1.This is () pear and that is () apple.A.a,an B.a,a C.an,a This is __h and that is __p A.a;a B.a;an C.an;a This is()book This is()eraser That is ()notebook That is()lDcard This is()English book用a或an填 This is a Chinese car.That is an (A )car.美国的 This is a map.That is ()English book.填a或an? This is a pen and that’s an eraser.可不可以写成This is a pen and that is an eraser.呢? This is an orange and that is an( ) _appears that she is an experienced teacher A)this B)it C)that D)she 把句子改为复数形式 This is a boy What is this in English Is that an English bookit is an eggshe is a teacher this,is,an,and,book,that,a,is,apple 连词成句 This is an orange and that is a ruler. 这里的and是什么意思? This is an apple.that is a pen.改复数形式 is,a,pencil,that,this,is,orange,an,and 排成句子