what is this boy?有错误么?

what is this boy?有错误么? this is what boy is.有错么 还有this is what familythis is what boy is.有错么 还有this is what family what is this a boy 还是what is this the boy错了。是who is a boy 还是who is the boy What's this?This is a ruler.这句有什么错误, This boy is tall.用what 改成感叹句 This is what you want 是表语从句吗?此句有没有错误 I don't know what this is for me?语法有没有错误 what is this it is quilt 改错误! who is This boy This is Peter dog.有什么错误 what a nice jacket this is?选出错误的部分,改正!其中 a jacket this 属于划线部分的，他们三个有一个错误，如何改正！ what is b-boy? what is the boy What is old boy? what is this what is that 必须用it is 用this is ,that is 错误吗 what is your name哪儿有错误 把下列句中使用错误的冠词找出来并改正.1.Wang Tao is the girl,and Li Ming is a boy.2.This is a orange.3.—What‘s this?—It’s an notebook.4,.That‘s a English map.5.Look at a cap,it‘s very nice.6.This is a pen.A pen is black.7 is this your watch?yes it is 有错误吗