---Is Gina your friend?---Yes, ______.

— Betty, you don’t look well. What's wrong?—I have a fever.— ______. You'd better go to see a doctor.

— How are you?— Fine, thank you. ______?

— ________, where is my pencil?  — ________, I don’t know.

---________do you play basketball every day? ----Half an hour.