[ Vocabulary ]
parts of your body that work together to fight disease
A. immune system
B. infect
C. protect
D. symptom

Random Topics:
Take or PutArticlePresent Perfect SimpleModals and VocabularySentence Fragments and Complete SentencesRelative ClauseFirst ConditionalsGerunds/InfinitivesIndependent and Dependent ClausesPersonal PronounOther quiz:
Poetry Vocabulary › ViewIntensely focused is _________.
A. transfixed
B. taut
C. entrechats
D. personification
Grammar › View
We won’t win the match if we _____ so badly.
A. played
B. play
C. will play
Present Tenses › ViewAdam ………… a book about wild animals now.
A. reads
B. is reading
C. read
D. are reading
Grammar › View
______ bought a new computer.
A. We
B. Us
C. Ourselves
