[ Tenses ]
I _____(not/know) the answer to this question.
A. am not know
B. don’t know
C. didn’t know

Random Topics:
Modals of AdviceTenses, Tag Questions, Phrasal VerbsConjunctions - Connectorswill, be going to, would like toAdverbs of DegreePast PassiveWord FormationLinking Verbs & Helping VerbsGrammar - Sentence StructureQuantifiers MixOther quiz:
Vocabulary & Grammar › ViewI’ve got lots of _______, but only a few are really good friends
A. close friends
B. acquantainces
C. neighbors
D. partners
Figurative Language › View
Laughter is music to the soul
A. simile
B. metaphor
Past Simple Verbs › ViewWe ___ (lose) our phones.
A. losed
B. lost
C. losd
Grammar › View
Bodrum is a popular holiday spot ___ a lot of tourists go.
A. who
B. which
C. where
D. what
