句型转换
I am a student.（改为一般疑问句）
__________  __________a student?
Does Ｍichael come from the USA?（作肯定回答）
Yes,                           .
My hair is black.(就划线部分提问)。
is your hair?
This is a box.(改为复数形式)
These  __________  __________.
She has big ears. （改为同义句）
__________ ears              big.