— .
—______________. Nice to meet you.
—Fifteen yuan a kilogram.
—It's 50 dollars.
— Because it's interesting.
—On _________ 1st. It's National Day, too.
—She's twelve years old this year. Oh! Today is her birthday.
—It's on April 20th.
—It's in my pencil box.
—537-6823.
her name?
is it today?
boys are there in the classroom?
is your sister?
is the model plane?
—They're on the sofa.
—Because it's interesting.