[ Grammar ]
I _____ the answer to the last question on the test.
A. knew
B. known
C. know
D. knowing

Random Topics:
Inversions and SubjunctivePresent Continuous, Present Perfect and Used toPresent ContinousCountable QuantifiersAdverb Clause ConnectorArticles and PronounsComparative AdjectiveComparative Adjectives and AdverbsPerfect TensesMiscellaneous Grammar UsagesOther quiz:
Modal Verb › ViewShe hasn’t eaten anything since yesterday. She_____ be really hungry.
A. might
B. will
C. must
D. can
Modal Verb, Passive Voice › View
You ____ walk on grass
A. shouldn’t
B. mustn’t
C. can not
D. should