[ Present Perfect Tense or Present Perfect Continuous Tense ]
She looks so tired because she ______________for the exam all day. I’ve tried to tell her to take a rest or at least, just take a break before she becomes sick, but she insists studying more. That’s her!
A. studied
B. has studied
C. has been studying
D. studies

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Verb Forms and TensesGrammar: was/werePRESENT SIMPLE vs PRESENT CONTINUOUS + QUANTVerbs and AdverbsPhrasal Verb Put & GoGerund after Prepositions and Certain VerbsVerbs and PrepositionsMixed GrammarSubordination ConjunctionsFuture TenseOther quiz:
Simple vs Present Continuous Tenses › ViewThe girls ….the classroom together.
A. clean
B. cleans
C. to clean
D. cleaning
Mixed General Quiz › View
Vietnam is surrounded __ Cambodia, Laos, China and the South China Sea.
a. on
b. by
c. with
d. for
My teacher was talking so _______ that I only understood about 75% of what she said.
A. Quick
B. Quickly
Simple Present Tense › View
They __ students.
A. are
B. am
C. is
D. be
