[ Present Tenses ]
He _____________________ on the phone all morning.
A. has talked
B. have been talking
C. has been talking
D. have talked

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TOEIC Tenses, VerbsIdiom and TensesModal and Modal PerfectProgessive TensesPassive Voice in Past and Present TenseCan vs CouldModal ProbabilityVerb and PrepositionEssential and Nonessential ClausesVerb Forms and PrepositionsOther quiz:
Adverbs of Manner › ViewWe waited _______ for the bus to arrive.
A. patiently
B. promptly
C. punctually
Adjective › View
a.busy
b.lazy