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

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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