[ Perfect Tenses and Vocabulary ]
How long have you…………Carla?
A. know
B. knew
C. known

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Indefinite ArticlePresent Perfect Simple and ContinuousPresent ContinuousPresent Simple: affirmative, negative, interrogativeRelative Clauses PronounsPassive ModalsVerb Patterns / IngMesopotamia VocabularyVerb + PrepositionQuantifierOther quiz:
Grammar › ViewThe kids really ___________their new art teacher.
A. respect
B. break
C. rule
Grammar › View
I …slept in bed
A. Is
B. Are
C. Have
D. Has