Instruction
Select the best answer to complete the sentence.
1. If you have any questions about the project, please feel free to -------- us.
2. If I ------- him, I would not attend that party.
3. The cafeteria allows every employee to get there within 2minutes of -------- time.
4. There is a possibility that ---------- will occur in the newly developed machine.
5. While you are on a business trip to Ukraine, you are expected to take -------- to ensure your own safety.
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