[ Vocabulary ]
_________________ is passed along at each link in the food chain.
A. Happiness
B. Love
C. Energy
D. Time

Random Topics:
Grammar - Present Perfect TenseRelative Pronouns with PrepositionsPast Tense and Perfect TenseComparativesIndependent and Dependent ClausesRelative ClauseDemonstrative SpeechTransition WordsHave as verb and auxiliaryPassive and Active VoiceOther quiz:
Modal Verbs › ViewJohn ___ submit the task by the end of the day.
A. can
B. could
C. must
D. doesn’t have to
Adjective and Adverb › View
Peter walked home _______ because it was _______.
A. quickly – late
B. quick – lately
Grammar › ViewAustralia is …. (small) continent on earth.
A. the most small
B. the smallest
C. the small
D. the most smallest
Some vs. Any › View
Do you have ….. time for me after lunch today?
a. some
b. any
