[ Grammar and Vocabulary ]
He can’t come at two o’clock tomorrow because he _____________________ (work) at that time.
A. will be working
B. will have worked
C. will have been working
D. works

Random Topics:
QuantifiersGrammar - NounsVerb Tenses and UsageGrammar (was, were, could, could not)Prepositions of Time, Place, and MovementPast Simple (to be)SubjunctivesArticles & Compound NounsPlaces in TownSimple Past/Past ProgressiveOther quiz:
Grammar › ViewJennifer and her brother picked up ___________ father’s birthday present.
A. his/her
B. her
C. their
Clause Markers TOEFL Grammar › View
Complete the sentence with the best clause marker:
The most celebrated talking drummers of West Africa are the Yorubas _________ principal instrument is known as a dondon.
A. what
B. that
C. who is
D. whose
Grammar - Collective Nouns › ViewA _______ of sheep was happily grazing in the field.
A. herd
B. gaggle
C. litter
D. school
Modal Auxiliary › View
My baby ….. sleep well last night. I’m tired and sleepy now.
A. will
B. would
C. won’t
D. wouldn’t
