Is this ruler ____ 1、them 2、jack 3、yours

Is this ruler ____ 1、them 2、jack 3、yours This is her ruler.(改为否定句和一般疑问句) ___ ___ ___ her ruler.____ ____ her ruler? This is a ruler._____ ruler is blue中____应填写The,还是A? Whose ruler is this? Is this red ruler ( ( ) ruler is this? this is( )ruler.写什么 This ruler is for Gao _____ a ruler ? yes,____. A.Is this, it is B.Is that,it‘s C.this is, it's 对打括号的部分提问1、The ruler is (blue).____ ____is the ruler? This is a ruler(对a ruler提问) ----- -----this? This is her ruler同义句This ruler __ __ . ThiS ruler is long.同义句 ThiS ruler （ ） （ ) Is this your ____ ruler?No,it's hers.填冠词, This is（）ruler.（）ruler is yellow. The book is o_____ medicine It's ____{Lucy} class This is my ruler .his ruler is not an old.改错 This is my ruler中的my ruler怎么提问? This is my ruler.(划线部分提问)my ruler画线