[ Present Perfect Continuous Tense ]
He … since 7 o’clock.
A. Has been studying
B. Is been studying
C. Studying

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Modals in the Past - Speculation and DeductionVerb to beNarrative Tenses & ConditionalsRegular and Irregular VerbsIndefinite ArticleModal Verbs and Gender NounsGerund NounSo - Too - Either - NeitherComparatives and SuperlativesCOUNT - NONCOUNT NOUNSOther quiz:
Modal Verbs › ViewYou _________ enter the doctor’s room now.
A. may
B. might
Tenses › View
It’s my parents’ wedding anniversary : they …………….for 14 years.
A. married
B. had married
C. were married
D. have been married
Modal Verbs › Viewshe’s amazing, she ….. speak five languages, including Russian
A. couldn’t
B. have
C. can
D. can’t
Wh- Questions Present Simple Tense › View
When is your birthday?
A. Smartphone
B. June 17.
C. Peter
D. Fashion Island