[ General Knowledge ]
What is a food chain?
A. Not environmental thing
B. Humans eating animals
C. Animals eating humans and humans eating animals
D. The eating relationships between species within and ecosystem
E. ALL OF THE ABOVE

Random Topics:
Present Simple and Present Continuous TenseModals and TensesPassive Voice and Relative ClausesMaritime Vocabulary and GrammarPreposition of PlaceRun-On SentencesAuxiliary ModalVocabulary & Phrasal Verb1st & 2nd ConditionalsVocabulary and IdiomsOther quiz:
Grammar › ViewSally can’t go out now. She ………………….. study for a test.
A. have to
B. has to
C. doesn’t have to
Subject-Verb Agreement › View
Physical therapy, as well as acupuncture, ___ recommended on evaluation with the orthopedist last week.
A. Is
B. Were
C. Are
D. Was
She ______ a friend last Sunday.
A. visited
B. was visited
C. is visiting
D. visits
Grammar › View
Whoever committed treason risked torture, mutilation, and death.
A. Noun clause
B. Adjective clause
C. Adverb clause
