__________ the experiment right, I tried again and succeeded.

__________ the experiment right, I tried again and succeeded.

#94783

Not having done

Having not done

Not doing

Not done

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－Look! Everything here is under construction.－Oh, has the building once _________ for exhibition been pulled down, too?

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being built

been built

to be built

built

I need some paper _____.

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to write

to write on

to write with

writing in

______the workshops, the executives had a talk with the workers.

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Inspected

Inspecting

Having inspected

Having been inspected

The first textbooks _____for teaching English as a foreign language came out in the 16th century.

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having written

to be written

being written

written

The money collected should be made good use        the people in need.

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of helping

to help

of to help

to helping

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