If his brother a millionaire（百万富翁）, he'd buy her sister the expensive car.
| A．was | B．were | C．is | D．be |
—______? — No, it’s on the sofa.
| A．Is the ruler in your pencil case |
| B．Where is your ruler |
| C．What color is your backpack |
| D．Is this your ruler |
—Is this girl your sister?—Yes, _____ is.
| A．it | B．she | C．he | D．this |
—Are those your parents? —______. They are Bob’s parents.
| A．Yes, it is . | B．No, they aren’t. |
| C．No, it isn’t. | D．Yes, they are. |
—Where ______ my books, Mom? —I don’t know.
| A．are | B．am | C．is | D．do |
Look! This is ____ eraser. And _____eraser is my sister’s.
| A．a, the | B．an, a |
| C．the, an | D．an, the |