I’m too busy _______ my homework _______ walk my dog every day.
| A．to do; to | B．doing; to | C．to do; / | D．doing; / |
—Whose is the pencil box?
—It________be Tom’s．Look at his name on the cover!
| A．can |
| B．may |
| C．must |
| D．need |
—Morning，class．Is________here?
—No，sir．Tom is absent．
| A．anybody |
| B．everybody |
| C．nobody |
| D．somebody |
—Are those books________?
—No，they are not mine．They belong to________．
| A．your；her |
| B．yours；her |
| C．your；hers |
| D．yours；she |
—Do you hear the noise outside?
—Yes．There must be some kids________outside．
| A．have fun |
| B．has fun |
| C．to have fun |
| D．having fun |
—Tom，where is your father?
—I’m not sure．He________in his office．
| A．must be |
| B．may be |
| C．maybe |
| D．need be |