This is( ) pen,and it is black.括号里面填什么?

This is( ) pen,and it is black.括号里面填什么? Look,this is a pen.lt's black.This is a pencil.lt's red .And Whose pen is this—Oh,it is 后面填什么 whose watch is this?is it a black -------.填什么?为什么? "this pen is black."中文意思 _____ pen (I) is black and white This is a ruler.______ is black.应填什么 It ( ) a black pen.括号里填be动词 Have you seen a dog?Is it — black and white one?横线上填什么? 解析—Is this black pen ( ) ? —No . It belongs to ( ).详细点 1,The pen is black(改为同义词) This is [ 英语 改复数句This is a pen.Is this your backpack?It's a black bag