1. The maintenance work on the main elevator will continue _______ the afternoon, so please use the stairs.
2. All staff members are required to wear their identification badges _______ they are inside the laboratory.
3. The final budget report must be submitted to the finance department _______ 5:00 PM this Friday.
4. The new marketing campaign led to a significant increase in sales _______ the last quarter.
5. Interns are allowed to operate the heavy machinery only _______ the direct supervision of a senior engineer.
6. The seminar on digital security will take place in Conference Room B, _______ 9:00 AM _______ 11:30 AM.
7. The success of the product launch was _______ our wildest expectations, reaching record-breaking numbers in the first week.
8. Passengers are requested to remain seated and keep their seatbelts fastened _______ the entire flight.
9. The project team had to work _______ the night to ensure the software update was ready for the morning launch.
10. Please meet the client _______ the main entrance of the headquarters at noon.
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