—I have a _______. —You shouldn’t eat too much candy.A. toothache B. headache C. backache
--- Why does he like music?--- Because it’s ______.
--- ______ is your day?--- It’s OK.
--- Does Peter have a soccer ball?--- ______. And he has a basketball, too.
Frank thinks math is easy, ______ I think it’s difficult.
--- Happy birthday!--- ______.