(A woman and an old man are waiting at a bus stop.) Woman: Here   16    Bus 100 again. It’s the third one. Where isBus 205? I have waited for half an hour. Old man:   17    I.Woman: I can’t believe I have to wait so long in such hot weather.Old man:   18    I. Woman: Luckily, I wear no make-up（化妝品）today, or my facewill look terrible now. Old man:   19   Woman: Excuse me, sir. Are you just telling me that you also usemake-up? Old man:   20    I   21    a make-up salesman, so it’s no bigdeal for me to wear make-up.
【題組】16.
(A) come
(B) comes
(C) coming
(D) is coming