Как я понял нужно каждое предложение перевести в вопрос, а точнее в 5 форм вопросов:
1)General question
2)Alternative question
3)Special question
4)Question to the subject
5)Tag question

1) She is studying Geography.
Is she studying Geography?
Is she studying Geography or History?
Why is she studying Geography?
Who is studying Geography?
She is studying Geography, isn't she?
2) A young man is standing at the window.
Is a young man standing at the window?
Is a young man standing at the window or at the door?
Where is a young man standing?
Who is standing at the window?
A young man is standing at the window, isn't he?
3) He is smoking a cigarette.
Is he smoking a cigarette?
Is he smoking a cigarette or drinking tea?
What is he doing?
Who is smoking a cigarette?
He is smoking a cigarette, isn't he?
4) The old man is walking about the house.
Is the old man walking about the house?
Is the old man walking about the house or along the street?
Who is walking about the house?
Where is the old man walking?
The old man is walking about the house, isn't he?
5) The dog is lying on the floor.
Is the dog lying on the floor?
Is the dog lying on the floor or on the carpet?
Who is lying on the floor?
What animal is lying on the floor?
The dog is lying on the floor, isn't it?
1-the biggest
2-younger
3-the most popular
4-the deepest
5-hotter
раз легкая, так чего ж свою работу на других перекидываешь? написал бы свои варианты. а люди бы проверили))