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The employees were able to network more efficiently as _____ began using the new intranet system.
The employees were able to network more efficiently as \_\_\_\__ began using the new intranet system.
The decision about such a big project cannot be made _____ each member of the board agrees.
The decision about such a big project cannot be made \_\_\_\__ each member of the board agrees.
The new drug will not be put on the market _____ it has proved safe on humans.
The new drug will not be put on the market \_\_\_\__ it has proved safe on humans.