Which sentence is punctuated correctly?
A. In first-period biology class we learned that, the ecosystem, is a fragile and sensitive thing.
B. The freshmen, were excited to hear about extra-credit opportunities in their algebra class.
C. Getting her license proved to be more difficult and tricky, than she thought it would be.
D. In order to serve students best, school districts need to ask for additional funding.

Random Topics:
Simple and Compound SentencesConjunctions and PrepositionsMix-TensesPresent TensesContinuous and Perfect TensesDefinite vs Zero Article Abstract NounsPronouns and QuantifiersPresent and Past TensesPronoun-Verb AgreementIndirect SpeechOther quiz:
Its vs. It’s › ViewThe fish wouldn’t have been caught if it had kept _____ mouth shut.
A. ITS
B. IT’S
Simple Present Tense › View
Choose the correct sentence in the simple present tense.
A. He am a student.
B. I is a doctor.
C. They are friends.
D. She is a teacher.
Grammar › View__________________________ are born with silver spoons in their mouths.
A. Privileged
B. The privileged
Prepositions of Place › View
There are three pictures ____ the wall.
A. on
B. in
C. under
D. beside
