[ Auxiliary Verbs ]
___ your parents in Korea?
A. Am
B. Is
C. Are
D. Does
E. Do

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Tenses and Word Formation › ViewExactly how long ———- worked as a senior accounting clerk for this company?
A. have you
B. did you
C. are you
D. will you
Grammar › View
The woman admitted ________ the poor little girl unfairly.
A. to treat
B. having treated
C. treated
D. have treated