1、Is that a grey pencil?(作否定回答 ) 2、This is （a tiger).(对括号部分提问)3、That's (a black cat).( 对括号部分提问 ) 4、It's( brown and yellow).(对括号部分提问)

that is a pen This a pen.that is a pen,什么 that is a pen.改成一般疑问句 That is a pen.(变为复数) that is a pen (变为复数） Is that a pen?的同意句 That is her a red pen.改错 what is that in English?是It is a pen还是This si a pen还是That is a pen that is your pen. That is green pen Is __ your pen A.that B.this C.her D.his.That is his pen. that is a pen /that is the pen有什么区别? and what is that in your( )( is it a pen? that is a green pen表语和宾语是否都是pen,其中that是主语? A:that's your pen.___ is my pen B:Do you __ this is interesting? this is a red pen.and that is a green pen.（改为同义句） this is a red pen.and that is a___ ___. it is a pen?对“a pen提问_____ _____ that? What is that?itis a pen改为复数形式