[ Tenses ]
I _______ there once a long time ago and _______ back since.
A. went / have not been
B. went / am not
C. have gone / was
D. went/ not be

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Grammar › ViewAt the moment, Maria … her homework, as She … every day.
A. does/is doing
B. is doing/does
C. doing/do
Possessive Adjective › View
this is ………….. book .
A. Your
B. Yours
We want ———————immediately.
A. that she leaves
B. she leaves
C. her to leave
D. she to leave
Grammar › View
Either my uncle or my grandparents _____________ going to buy me a laptop
A. is
B. are