—How much is your coat?—Oh.it________me 100 yuan.
—_______ it, please!—R-U-L-E-R.
—Is that her book?—Yes, ______. It is nice.
—Is this your pencil?—No, ________. It’s his pencil.
—_______ is the ruler? Is it black?—Yes, it is.
—What’s that? —_____ is an eraser.