---Are your parents at home, Jane?
---No. They ______ taking a walk in the park.
| A．do | B．are | C．will | D．have |
—Is that her book?
—Yes, ______. It is nice.
| A．it’s | B．it is | C．it is not | D．it isn’t |
—Is this your pencil?
—No, ________. It’s his pencil.
| A．it is not | B．it is | C．it isn’t | D．it’s |
—_______ is the ruler? Is it black?
—Yes, it is.
| A．How | B．Who | C．What | D．What color |
—What’s that?
—_____ is an eraser.
| A．This | B．That | C．It | D．You |
—______ is this? Is it a ruler?
—Yes, it is a red ruler.
| A．How | B．Who | C．What | D．What color |