Some scientists think that it will take __ of years to make robots do most work 

Some scientists think that it will take __ of years to make robots do most work for humans.

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The flower is beautiful. ____________

The flower is beautiful. ____________

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Is the river_____ through that town very large?

Is the river_____ through that town very large?

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Jack has something important to do this afternoon . so he can’t attend the meeti

Jack has something important to do this afternoon . so he can’t attend the meeting____.

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He had to sell newspapers seven.

He had to sell newspapers seven.

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