This ruler is xxx (she) Here is xxx(Tom)English book对画线部分提问it's an eraser is English.an eraser画了线的,These are my pens.改为同意句

What's this?This is a ruler.这句有什么错误, This ruler is xxx (she) Here is xxx(Tom)English book对画线部分提问it's an eraser is English.an eraser画了线的,These are my pens.改为同意句 Whose ruler is this? Is this red ruler ( ( ) ruler is this? This is Toms ruler 就Toms ruler提问回答是_is_ This is Tom' s ruler,画线部分为Tom' s ruler,对画线部分提问_____is____? ___________ It's his,I thinkA.Whose ruler is this B.Where's his ruler? This ruler is Lucy’s .Please give it to（）. That's a ruler.对 a ruler 提问.Is this an apple?改为复数句子. This is my ruler,That's you ruler 这句话有错么?错在哪里? _your ruler?A.This B.It's C.Is this D.is_your ruler?A.This B.It's C.Is this D.is this 选择题What's this?A.It's Z.B.It's red.C.This is ruler. this is( )ruler.写什么 This ruler is for Gao 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 （ ） （ )