[ Grammar ]
. I don’t know ___ book this is.
A. who’s
B. whose
C. whoms
Select your answer:

Random Topics:
Verb TensePast Simple & Past PerfectGrammar and PunctuationWill and Will notVocabulary, Grammar, SpellingModals and PhrasesQuantifiers: too many, too much & enoughTo Infinitive or Bare InfinitiveAdverbs of Time and PlaceAdjective ending with ED & INGOther quiz:
Past Continuous › ViewI to be a pilot when I was young.
A. was wanting
B. wanted
C. was wanted
Conditionals 1,2,3 › View
… he find a good job if he knew English?
A. would
B. does
C. did
D. will
