[ Grammar ]
I didn’t know __________ that she had already left the office.
A. that fact
B. about
C. of
D. what

Random Topics:
Vocabulary & GrammarModals of Speculation and DeductionModalNounsMorphology and GrammarProgessive TensesAdjectives vs AdverbsGrammar, adverbs of frequency placementComparative AdjectivesAdjective, Adverb, and Noun FormsOther quiz:
Subject-Verb Agreement › View(One, Many) of us sometimes forget to bring a water bottle.
A. One
B. Many
Quantifiers › View
There is _____ reason to think we can’t create a ore tolerant society.
A. no
B. none
Grammar › ViewI was late for school and my teacher was very angry _____ me.
A. with
B. to
C. at
D. for
Modals › View
You look tired. You _____ to bed.
A. should go
B. should have gone
