—What ___ your nationality?— I ___ Korean.
A. are/is
B. is/am
C. is/are
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My sister is ___ student, and my brother is ___ engineer.
A. a/an
B. a/a
C. a/the
—___ is the boy?—He is my brother.
A. How
B. What
C. Who
.— Have you got a letter from your daughter?— Yes, I’ve got a letter from ___ .
A. her
B. she
C. hers
— ___ are you?— I am a teacher.
A. What
B. Who
C. Who’s