连词成句

the, the, was, end, customer, happy, in

________________________________

连词成句

dark, they, used, for, in, are, seeing, the

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连词成句

in, telephone, was, the, invented, 1876

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连词成句

invented, was, tea, accident, by

________________________________

连词成句

invention, the, useful, is, most, car, the

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句型转换

I think the most helpful invention is the light bulb. (对划线部分提问)

________ do you think ________ the most helpful invention?

句型转换

They are used for seeing in the dark. (对划线部分提问)

________ are they used ________?

句型转换

He didn't go to bed before he finished his work. (同义句转换)

He ________ ________ go to bed ________ he finished his work.

句型转换

Li Lei gave Tom a new pen last week. (改为被动句)

A new pen ________ ________ ________ Tom last week.

句型转换

Did you see the film last night? (改为被动句)

________ the film ________ by you last night?