[ Conditional Sentences ]
If I _____ you were sick. I would have called sooner.
A. knew
B. had known
C. know
D. would have known

Random Topics:
Verb Moods and Vague PronounsPassive Voice of TensesTenses - AuxiliariesModals and Modal PerfectsAdverbs and Time ExpressionsPresent ProgressiveAdjective Clause and Adverb ClauseDefinite, Indefinite and Zero ArticlesComparatives or SuperlativesPresent Perfect and Past TensesOther quiz:
Vocabulary › ViewNoah and Evelyn are having a fun debate! What is the definition of “Skiff”?
A. A division of a poem
B. Any of various small boats
C. A sudden issuing of troops from a defensive position
D. A man’s close-fitting jacket worn especially during the Renaissance
Grammar & Vocabulary › View
… my opinion, modern technology has improved all our lives.
A. In
B. On
C. With
D. From
Definite and Zero Article › ViewShe was seriously ill, she had _measles. So we called _ doctor that my mom knew very well.
A. the, a
B. a,the
C. -(the), the
D. -, a
Vocabulary › View
_____ are hints that help solve a problem or mystery.
A. landmark
B. grand
C. clues
D. carve