[ Identifying Tenses ]
Mike has been playing video games all morning.
Tony and Kathy have been taking karate lessons for years.
I haven’t been playing video games or taking karate lessons.
A. Present simple
B. Present continuous
C. Present perfect
D. Present perfect continuous

Random Topics:
Modal Verbs in ConditionalsPast Simple TensesPassive Voice, Modals of Deduction and First ConditionalTenses PracticeHomophone & HomonymConditionals and Modals of ProbabilityVerb Tense, Pronouns and AntecedentsThird ConditionalsSentence and FragmentModals and InversionOther quiz:
Ed and Ing Endings › ViewThe journey was …… Twelve hours by bus.
A. Exhausting
B. Exhausted
Tenses › View
Mr.Tuan always ____________ (go) to work by bus.
A. go
B. goes
C. went
D. is going
Phrase and Clause › ViewYour final paper is due in two weeks.
A. Phrase
B. Clause
Grammar › View
There are two types of prepositions: time and _______
A. class
B. place
C. maze
