Question

his mood was ______ since his day had been good sullenly
she liked to speak ______ to ensure she didnt waste time placid
it was a ______ class and only lasted fifteen minutes succinctly
marjorie complained ______ after losing her soccer game succinct
taylor was ______ and did not speak to anyone all day sullen

Explanation:

1. For "His mood was ______ since his day had been good", we need an adjective to describe mood. "Placid" means calm, so it fits.
2. For "She liked to speak ______ to ensure she didn't waste time", we need an adverb. "Succinctly" is an adverb meaning briefly, so it fits.
3. For "It was a ______ class and only lasted fifteen minutes", we need an adjective. "Succinct" (adjective form, meaning concise) fits to describe the class.
4. For "Marjorie complained ______ after losing her soccer game", we need an adverb. "Sullenly" is an adverb meaning in a gloomy way, so it fits.
5. For "Taylor was ______ and did not speak to anyone all day", we need an adjective. "Sullen" (adjective, meaning gloomy) fits to describe Taylor's state.

Answer:

1. His mood was $\boldsymbol{placid}$ since his day had been good
2. She liked to speak $\boldsymbol{succinctly}$ to ensure she didn't waste time
3. It was a $\boldsymbol{succinct}$ class and only lasted fifteen minutes
4. Marjorie complained $\boldsymbol{sullenly}$ after losing her soccer game
5. Taylor was $\boldsymbol{sullen}$ and did not speak to anyone all day