Tom and I good .
| A．is, friend | B．am, friend |
| C．are ,friends | D．am, friends |
—Is that girl in red Sally?
—No, it_______ be her. She has gone to Hong Kong.
| A．may | B．mustn’t | C．can’t | D．could |
It’s winter now. We should stay away from cold _______doing sports every day.
| A．on | B．in | C．at | D．by |
—You look very happy, why?
—I have got _______ “A” in the math test.
| A．a | B．an | C．the | D．/ |
_______ good advice the teacher gave me!
| A．How | B．What | C．What a | D．How a |
They went out for a walk at night, _______ ?
| A．didn’t they | B．did they |
| C．were they | D．weren’t they |