He may have been unaware of the changes in schedule.
A. Aware of the changes in schedule.
B. Unaware of the changes in schedule.
C. Informed about the changes in schedule.
D. Conscious of the changes in schedule.

Random Topics:
Modals of PredictionGrammar - ConnectorsPhrases & ClausesAdjective + to + VerbPast and Present TensesGrammar: Morphology1st & 2nd ConditionalsTOEFLVerb + Infinitive or GerundArticles A and AnOther quiz:
Past Simple (Questions) › ViewDid Tom and Sam play football yesterday?
A. No, I didn’t.
B. No, he didn’t.
C. No, she didn’t.
D. No, they didn’t.
Modals for Obligation › View
I __________________ get good grades, so I can go to university.
A. can’t
B. have to
C. don’t have to
Reported - Gerund › View“Great! You are well-dressed today, Mary” said Tommy.
A. Tommy accused Mary on being well-dress.
B. Tommy complimented Mary on being well -dress.
C. Tommy told Mary to be well-dress.
D. Tommy wanted Mary to be well-dress.
Conjunctions › View
Choose the correct conjunction
He didn’t come to the party _____ he was busy.
A. because
B. but
C. so
