"which sentence contains an underlined word that means "excitement”? ”
no one challenged her authority since she was the expert.
his eagerness and enthusiasm were evident in his work.
they showed the puppy affection by holding and petting it.
the house looked hideous in the picture, but pretty in person.

The sentence is "His Eagerness and enthusiasm were evident in his work" it is the word eagerness that means excitement.

either online or traditional classroom can work for students. which is better will depend on students and teacher. students may have trouble following a lesson in classroom while they can study at their own pace online. other students may have trouble staying focus on their own in online classes. teachers are more used to classroom teaching but they may also be more worry about their jobs teaching online classes and work harder.