Answer:
A:
Most parks have several benches.
Students needed to sit to give their feet a rest.
The artists brought their sketch pads and pencils.
Ellen drew pictures of two deer near some trees
Classes listened to their radios as they ate.
Flies buzzed around the bags filled with sandwiches.
B:
1. Freshmen
2. Classes
3. Days
4. Mysteries
5. Shelves
6. Foot
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For future reference: you can write all the highlighted words in google and it will correct them for you :)