PLEASE HELP !!!

Fill in the blanks with those pair words below:

= [ envisioned, ensured ], [ enrolled, employed ], [ enlisted, enriched ], [ engulf, encouraged ].

1. The fire chief waited for the flames to __________ the building before allowing the firefighters-in-training to put it out.
2. The veteran firefighters stood at the sidelines and _________ the men and women who faced the blaze.
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3. On August 23, Mr. Hopple _________ his three-year-old triplets at Sunnyside Preschool.
4. Mr. Hopple had been _________ by the school as a teacher for six years, but recently he decided to teach at the elementary school.
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5. Margaret Fernandez ____________ in the army when she graduated from college.
6. Looking back on her years in the military, Margaret felt that the experience had ________ her life.
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7. Miles spent three weekends in a row trying to recreate the project he had ________ as his entry for the science fair.
8. Once he __________ that everything worked exactly as planned, Miles helped his dad load the bulky machine into the minivan.

The person who helps me for that...I'll mark them as brainly
xxx