The engineer explained __ the new system would improve efficiency and reduce costs, making the overall operation more streamlined compared to the previous model.
A. why
B. that
C. unless it was tested thoroughly beforehand,
D. while he was designing the first prototype,
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The company will be able to expand its operations significantly __ the new partnership agreement is signed, bringing in additional capital and resources.
A. if the investors back out at the last minute,
B. even though they are facing financial difficulties,
C. as soon as all parties involved agree on the final terms,
D. while they are still negotiating the details of the merger,
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