Нужно к 3 предложениям составить по 5 вопросов, вот:
Put 5 types of questions:
Industrial technology began with the development of the engine steam.
Scientists study a wide variety of subjects.
People can watch sports events on TV

1.Industrialtechnology began with the development of the engine steam, didn`t it?
Did industrialtechnology begin with the development of the engine steam?
Did industrialor commercial technology begin with the development of the engine steam?
When did industrialtechnology begin?
What beganwith the development of the engine steam?

2.Scientistsstudy a wide variety of subjects, don`t they?
Do scientistsstudy a wide variety of subjects?
Do scientistsor professionals study a wide variety of subjects?
What do scientistsstudy?
Who studiesa wide variety of subjects?

3. Peoplecan watch sports events on TV, cannot they?
Can people watchsports events on TV?
Can people watchsports events on TV or on the radio?
Who can watchsports events on TV?
What can peoplewatch on TV?

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