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:
Adjectives or Adverbs › ViewHe has three brothers. John is the ______ of the three.
A. most cleverest
B. more clever
C. cleverest
D. cleverer
Grammar › View
He ……. go to the party if he finishes his work.
A. should
B. will
C. might
D. must
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
