题目内容
7. The company is looking for a way to ____________ their products without increasing the cost.
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8. “Wow!” Bill _____________, “It’s really great to have the robot do housework for us.”
9. We did not question the ______________ about their lifestyle, and so can say little on this issue.
10. Certain people want to keep the _____________ and do not want any change.
11. As millennials ______________ the workforce, the communication tools they grew up with are expected to take the place of email.
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