Answer:
1. The chipmunk ran <u><em>up</em></u> the picnic table to eat the crumbs.
2. Our trip <u><em>to</em></u> the park was an annual event.
3. The school addition will be completed <u><em>by</em></u> the next few months.
4. We camped <em><u>near</u></em> the lake and the cabin.
5. The cook prepared a special dessert to be served <u><em>after</em></u> the dinner.
Explanation:
Prepositions are the words that help connect a noun, pronoun, and other words to each other and also tells the location, or the time, place, etc. The most common prepositions are "on, at, by, under, above" etc.
1. The chipmunk ran <u><em>up</em></u> the picnic table to eat the crumbs.
2. Our trip <u><em>to</em></u> the park was an annual event.
3. The school addition will be completed <u><em>by</em></u> the next few months.
4. We camped <em><u>near</u></em> the lake and the cabin.
5. The cook prepared a special dessert to be served <u><em>after</em></u> the dinner.