[ Abstract Noun x Concrete Noun ]
Have you ever heard the history of vaccines?
- abstract noun
- concrete noun

Random Topics:
Comparative Adjectives and AdverbsPast Perfect TensePrepositions of Location, Movement and TimeIf- ConditionalMust or Mus notActive & Passive VoiceAdjectives & PrepositionsTenses of VerbsTime Clauses of FutureVerb Tenses and UsageOther quiz:
English Morphosyntax › ViewIf you’re ____________ doubt, please call the ambulance.
A. for
B. in
C. with
D. on
Grammar › View
Complete the sentence with the correct PRESENT SIMPLE form of the verb. ¨Amalia ______ (study) for every test she has.¨
A. study
B. studys
C. studies
D. studyes
Modal Verbs › ViewSchool rules:
Students … run in the classrooms.
A. can’t
B. must
C. mustn’t
D. should
Prepositions of Time › View
Our family enjoys spending time together __ the evening.
A. in
B. on
C. at
D. of
