[ Grammar ]
Many materials have been used for _____ teeth, including wood.
A. artificial
B. fake
C. false

Random Topics:
Definite pronouns (Subject, Object, Reflexive)Must or Mus notPast Continuous Tense & Past ModalsPrepositions of Time and PlaceGrammar & VocabularyCoordinating Conjunctions and Comparative AdjectivesSimple Past - Irregular VerbsAdverbs (manners & modifiers)Tenses, Tag Questions, Phrasal VerbsModal Verbs & Time PrepositionsOther quiz:
Conditional Sentences › ViewIf it ___________last night, it _______ so hot today
A. rained / is not
B. was raining / were not
C. had rained / would not have been
D. had rained / would not be
Grammar › View
All these years, Ira’s family _____in poverty.
A. has been living
B. lived
A group of students ……………. taking the course.
A. are
B. is
C. am
Modals › View
Which is correct?
A. Can you be more polite?
B. Do you can be more polite?