Instruction
Select the best answer to complete the sentence.
1. If you have any questions about the project, please feel free to -------- us.
2. This vending machine’s main power is -------- on the rear of the unit.
3. I am planning to go sightseeing -------- my stay in Kyoto.
4. According to the research, persistent -------- of sleep has a negative influence on the metabolism.
5. Mr.Bond is holding a meeting for new recruits in order to let ------- know about the company’s strategy.
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