初中英语一般疑问句句型转换

句型转换。根据要求完成下列句子，一空一词。（每空1分，共10分）
Your key is on the floor. （对划线部分提问）
___________ ___________ your key?
Tom is a good student. (变一般疑问句)
_________ _________ a good student?
Those are orange chairs. (变为单数形式)
_______ is        orange chair.
The baseballs are on the desk. (变为否定句)
The baseballs __________ on the desk.
This is my dictionary. (变为复数形式)
______ are ______          .

句型转换
My father works today.(变否定句)
My father _______  ________ today.
Betty is playing with her brother now. (对画线部分提问)
______ is Betty _______ now?
Is your father reading a newspaper?(作出回答)
______, he ______. He’s cooking.
Shall we go to the cinema on Sunday?(同义句)
______ ______ going to the cinema on Sunday?
Children in America start to work at nine o’clock. (变一般疑问句)
______ Children in America start to ______ at nine o’clock?