that's an eraser ______ _____an eraser?(一般疑问句) this is a cup (攺为复数形式)those are (red books)提问_______ ________ thosethey are (my sisters and brothers)提问______ ______ ______?

that's an eraser改为复数句 It‘s an eraser. --is that( )eraser?--yes,it,s( )eraser. Look!（ ）an eraser 1 That’s 2 This’s 3 What’s 4 Where’s 填空 A:Is that an apple?B：___,___ ___.Please ___ ___.A:Is that an eraser?B:Yes.兄弟们帮帮忙 Thay's an eraser in English.(对 an eraser 提问) that's mike's id card.(改否定句） （2）what's his last name?(同义句 )what's ___ ___name?（3）This is a clock.That is an eraser.( 合并成一个并列句 )This is a clock ___that is an eraser.（4）It's his baseball.( 改为一般疑问 This’s an eraser and that's a card.改错误 哪里错了?并改正. that's an eraser.it's yellow.（合并为一句） what is on the table?回答what is on the table?A It's an eraser B They're eraser C That's an eraser D The eraser 选哪个 为什么?如何理解提问主语? 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? Is that an eraser?的回答 英语翻译 It's an eraser in English. It's an eraser.改成复数句 That's her eraser.改一般疑问句 Is that an eraser?( ),it's a dictionary此处填NO还是NO IT ISN’T? It`s an eraser.为什么加an不加a It's an eraser.中文怎么翻译? E-R-A-S-E-R,eraser.怎么翻译?