Students : Fine, thanks. And you, Sir?
Mr. Martin : Pretty well, thanks. (10)... ?
Students : No one, Sir.
Mr. Martin : Excellent! Well, let's start our English lesson.(11) ... !
Students : OK, Sir!
a. Who is checking the absent?
b. Who is absent today?
c. Are you absent today?
d. Who are you?
Jawaban: b. Who is absent today?