( ) Tom is a worker. He _______ in a factory. His sisters _______ in a hospital.
| A．work; work | B．works; work |
| C．work; works | D．works; works |
Are they all right？(作肯定回答)
________，they ________.
________ that dress.
A．Look B．Look atC．Look on
—What's the ________ like in Changchun?
—It's cold.
A．sweaterB．weather C．water
________ the scarf too expensive?
A．Are B．Is C．Am
—Can I wear my new shirt?
—________
A．Yes，I am.B．No，we can't.C．Yes，you can.