1. The worst thing about being in the school play was the fear of forgetting my words.

Explanation: The word "scared" is an adjective, but we need a noun to describe the feeling of fear. "Fear" is the correct noun in this context.

1. Neither the book nor the magazine is on the shelf where they belong.

   • When using "neither ... nor," the verb agrees with the closest noun. In this case, "magazine" is singular, so the verb should be "is."

2. The pack of wolves howls at the full moon.

   • "Pack" is a collective noun referring to a group of wolves. Collective nouns usually take singular verbs.

3. Either the cat or the dog is responsible for knocking over the vase.

   • When using "either ... or," the verb agrees with the closest noun. In this case, "dog" is singular, so the verb should be "is."

4. Each of the keys opens a different door in the building.

   • "Each" is a singular pronoun, so the verb should be singular.

5. The bouquet of flowers smells wonderful in the room.

   • "Bouquet" is a collective noun referring to a group of flowers. Collective nouns usually take singular verbs.

6. The flock of birds flies south for the winter.

   • "Flock" is a collective noun referring to a group of birds. Collective nouns usually take singular verbs.

7. Neither the laptop nor the desktop computer is working properly.

   • When using "neither ... nor," the verb agrees with the closest noun. In this case, "desktop computer" is singular, so the verb should be "is."

8. The team of researchers is conducting experiments in the laboratory.

• "Team" is a collective noun referring to a group of researchers. Collective nouns usually take singular verbs.

1. Either the red pen or the blue one works for writing the note.

• When using "either ... or," the verb agrees with the closest noun. In this case, "one" is singular, so the verb should be "works."

1. Every member of the club receives a monthly newsletter.

• "Every" is a singular pronoun, so the verb should be singular.

1. The pair of shoes fits perfectly.

• "Pair" is a collective noun referring to two shoes. Collective nouns usually take singular verbs.

1. Neither the old car nor the new one runs smoothly.

• When using "neither ... nor," the verb agrees with the closest noun. In this case, "new one" is singular, so the verb should be "runs."