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

Random Topics:
Indefinite ArticlePresent Perfect Simple and ContinuousPresent ContinuousPresent Simple: affirmative, negative, interrogativeRelative Clauses PronounsPassive ModalsVerb Patterns / IngMesopotamia VocabularyVerb + PrepositionQuantifierOther quiz:
Perfect Modals › ViewShe ________ studied harder for the exam, but she didn’t.
A. should have
B. could have
C. might have
D. would have
Grammar › View
She (has/have) an hour for lunch in the park.
A. Have
B. Has
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
