We should never till tomorrow what we can do today .
| A．put on | B．put up |
| C． put out | D．put off |
—Mr. Li will check our homework this afternoon. _____ you _____it ?
—Not yet. I am doing it right now.
| A．Do, finish | B．Had, finished |
| C．Have, finished | D．Will, finish |
— When ________ America __________ by Columbus?
— In 1492.
| A．is, discovered. | B．was, discovered. |
| C．was, discovering. | D．was, discover. |
Don't go to crowded places, _______ you may have the flu easily.
| A．and | B．but | C．or | D．so |
— ________ you ________ on the yellow dress?
— Yes. It looked very nice on me.
| A．Did, try. | B．Will, try |
| C．Have, tried | D．Are, trying |
— Who's ________ girl in yellow?
—She is Judy. And she plays ________ chess quite well.
| A．a, / | B．the, / | C．the, the | D．a, the |